Home / 42,231.08-63,220.42-25,540.63

Finding the Fourth Proportional to 42,231.08, 63,220.42 and 25,540.63

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Solution

The fourth proportional to 42,231.08, 63,220.42 and 25,540.63 is: 38,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,231.08 : 63,220.42 = 25,540.63 : x
  2. Step 2: Convert to fraction form
    42,231.08/63,220.42 = 25,540.63/x
  3. Step 3: Cross multiply
    42,231.08x = 63,220.42 × 25,540.63
  4. Step 4: Simplify right side
    42,231.08x = 1,614,689,229.54
  5. Step 5: Solve for x
    x = 1,614,689,229.54/42,231.08
  6. Step 6: Final answer
    x = 38,234.62

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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.