Home / 38,083.84-52,555.65-21,316.84

Finding the Fourth Proportional to 38,083.84, 52,555.65 and 21,316.84

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Solution

The fourth proportional to 38,083.84, 52,555.65 and 21,316.84 is: 29,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.84 : 52,555.65 = 21,316.84 : x
  2. Step 2: Convert to fraction form
    38,083.84/52,555.65 = 21,316.84/x
  3. Step 3: Cross multiply
    38,083.84x = 52,555.65 × 21,316.84
  4. Step 4: Simplify right side
    38,083.84x = 1,120,320,382.15
  5. Step 5: Solve for x
    x = 1,120,320,382.15/38,083.84
  6. Step 6: Final answer
    x = 29,417.21

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Half scale
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Double scale
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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.