Home / 42,280.20-63,399.85-15,608.12

Finding the Fourth Proportional to 42,280.20, 63,399.85 and 15,608.12

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Solution

The fourth proportional to 42,280.20, 63,399.85 and 15,608.12 is: 23,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.20 : 63,399.85 = 15,608.12 : x
  2. Step 2: Convert to fraction form
    42,280.20/63,399.85 = 15,608.12/x
  3. Step 3: Cross multiply
    42,280.20x = 63,399.85 × 15,608.12
  4. Step 4: Simplify right side
    42,280.20x = 989,552,110.76
  5. Step 5: Solve for x
    x = 989,552,110.76/42,280.20
  6. Step 6: Final answer
    x = 23,404.62

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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.