Home / 38,083.47-52,555.73-21,087.68

Finding the Fourth Proportional to 38,083.47, 52,555.73 and 21,087.68

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Solution

The fourth proportional to 38,083.47, 52,555.73 and 21,087.68 is: 29,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.47 : 52,555.73 = 21,087.68 : x
  2. Step 2: Convert to fraction form
    38,083.47/52,555.73 = 21,087.68/x
  3. Step 3: Cross multiply
    38,083.47x = 52,555.73 × 21,087.68
  4. Step 4: Simplify right side
    38,083.47x = 1,108,278,153.63
  5. Step 5: Solve for x
    x = 1,108,278,153.63/38,083.47
  6. Step 6: Final answer
    x = 29,101.30

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Find fourth proportional to 19,041.73, 26,277.87 and 10,543.84
Half scale
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Double scale
Find fourth proportional to 38,084.47, 52,557.11 and 21,088.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.