Home / 60,331.49-90,497.24-18,781.73

Finding the Fourth Proportional to 60,331.49, 90,497.24 and 18,781.73

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Solution

The fourth proportional to 60,331.49, 90,497.24 and 18,781.73 is: 28,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331.49 : 90,497.24 = 18,781.73 : x
  2. Step 2: Convert to fraction form
    60,331.49/90,497.24 = 18,781.73/x
  3. Step 3: Cross multiply
    60,331.49x = 90,497.24 × 18,781.73
  4. Step 4: Simplify right side
    60,331.49x = 1,699,694,633.52
  5. Step 5: Solve for x
    x = 1,699,694,633.52/60,331.49
  6. Step 6: Final answer
    x = 28,172.60

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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.