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Finding the Fourth Proportional to 62,043.40, 93,065.10 and 38,715.40

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Solution

The fourth proportional to 62,043.40, 93,065.10 and 38,715.40 is: 58,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,043.40 : 93,065.10 = 38,715.40 : x
  2. Step 2: Convert to fraction form
    62,043.40/93,065.10 = 38,715.40/x
  3. Step 3: Cross multiply
    62,043.40x = 93,065.10 × 38,715.40
  4. Step 4: Simplify right side
    62,043.40x = 3,603,052,572.54
  5. Step 5: Solve for x
    x = 3,603,052,572.54/62,043.40
  6. Step 6: Final answer
    x = 58,073.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.