Home / 42,403.31-63,634.13-14,701.31

Finding the Fourth Proportional to 42,403.31, 63,634.13 and 14,701.31

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Solution

The fourth proportional to 42,403.31, 63,634.13 and 14,701.31 is: 22,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.31 : 63,634.13 = 14,701.31 : x
  2. Step 2: Convert to fraction form
    42,403.31/63,634.13 = 14,701.31/x
  3. Step 3: Cross multiply
    42,403.31x = 63,634.13 × 14,701.31
  4. Step 4: Simplify right side
    42,403.31x = 935,505,267.55
  5. Step 5: Solve for x
    x = 935,505,267.55/42,403.31
  6. Step 6: Final answer
    x = 22,062.08

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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.