Home / 42,174.22-63,230.07-25,530.31

Finding the Fourth Proportional to 42,174.22, 63,230.07 and 25,530.31

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Solution

The fourth proportional to 42,174.22, 63,230.07 and 25,530.31 is: 38,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.22 : 63,230.07 = 25,530.31 : x
  2. Step 2: Convert to fraction form
    42,174.22/63,230.07 = 25,530.31/x
  3. Step 3: Cross multiply
    42,174.22x = 63,230.07 × 25,530.31
  4. Step 4: Simplify right side
    42,174.22x = 1,614,283,288.42
  5. Step 5: Solve for x
    x = 1,614,283,288.42/42,174.22
  6. Step 6: Final answer
    x = 38,276.55

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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.