Home / 42,540.44-63,810.65-11,374.88

Finding the Fourth Proportional to 42,540.44, 63,810.65 and 11,374.88

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Solution

The fourth proportional to 42,540.44, 63,810.65 and 11,374.88 is: 17,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,540.44 : 63,810.65 = 11,374.88 : x
  2. Step 2: Convert to fraction form
    42,540.44/63,810.65 = 11,374.88/x
  3. Step 3: Cross multiply
    42,540.44x = 63,810.65 × 11,374.88
  4. Step 4: Simplify right side
    42,540.44x = 725,838,195.86
  5. Step 5: Solve for x
    x = 725,838,195.86/42,540.44
  6. Step 6: Final answer
    x = 17,062.31

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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.