Home / 38,316.03-52,876.16-21,321.82

Finding the Fourth Proportional to 38,316.03, 52,876.16 and 21,321.82

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Solution

The fourth proportional to 38,316.03, 52,876.16 and 21,321.82 is: 29,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.03 : 52,876.16 = 21,321.82 : x
  2. Step 2: Convert to fraction form
    38,316.03/52,876.16 = 21,321.82/x
  3. Step 3: Cross multiply
    38,316.03x = 52,876.16 × 21,321.82
  4. Step 4: Simplify right side
    38,316.03x = 1,127,415,965.81
  5. Step 5: Solve for x
    x = 1,127,415,965.81/38,316.03
  6. Step 6: Final answer
    x = 29,424.13

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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.