Home / 60,331.20-90,379.04-39,491.52

Finding the Fourth Proportional to 60,331.20, 90,379.04 and 39,491.52

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Solution

The fourth proportional to 60,331.20, 90,379.04 and 39,491.52 is: 59,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331.20 : 90,379.04 = 39,491.52 : x
  2. Step 2: Convert to fraction form
    60,331.20/90,379.04 = 39,491.52/x
  3. Step 3: Cross multiply
    60,331.20x = 90,379.04 × 39,491.52
  4. Step 4: Simplify right side
    60,331.20x = 3,569,205,665.74
  5. Step 5: Solve for x
    x = 3,569,205,665.74/60,331.20
  6. Step 6: Final answer
    x = 59,160.20

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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.