Home / 42,230.90-63,220.14-25,540.44

Finding the Fourth Proportional to 42,230.90, 63,220.14 and 25,540.44

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Solution

The fourth proportional to 42,230.90, 63,220.14 and 25,540.44 is: 38,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.90 : 63,220.14 = 25,540.44 : x
  2. Step 2: Convert to fraction form
    42,230.90/63,220.14 = 25,540.44/x
  3. Step 3: Cross multiply
    42,230.90x = 63,220.14 × 25,540.44
  4. Step 4: Simplify right side
    42,230.90x = 1,614,670,192.46
  5. Step 5: Solve for x
    x = 1,614,670,192.46/42,230.90
  6. Step 6: Final answer
    x = 38,234.34

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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.