Home / 42,147.53-63,221.30-23,418.62

Finding the Fourth Proportional to 42,147.53, 63,221.30 and 23,418.62

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Solution

The fourth proportional to 42,147.53, 63,221.30 and 23,418.62 is: 35,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.53 : 63,221.30 = 23,418.62 : x
  2. Step 2: Convert to fraction form
    42,147.53/63,221.30 = 23,418.62/x
  3. Step 3: Cross multiply
    42,147.53x = 63,221.30 × 23,418.62
  4. Step 4: Simplify right side
    42,147.53x = 1,480,555,167.41
  5. Step 5: Solve for x
    x = 1,480,555,167.41/42,147.53
  6. Step 6: Final answer
    x = 35,127.93

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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.