Home / 31,968.17-47,952.25-9,781.97

Finding the Fourth Proportional to 31,968.17, 47,952.25 and 9,781.97

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Solution

The fourth proportional to 31,968.17, 47,952.25 and 9,781.97 is: 14,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.17 : 47,952.25 = 9,781.97 : x
  2. Step 2: Convert to fraction form
    31,968.17/47,952.25 = 9,781.97/x
  3. Step 3: Cross multiply
    31,968.17x = 47,952.25 × 9,781.97
  4. Step 4: Simplify right side
    31,968.17x = 469,067,261.74
  5. Step 5: Solve for x
    x = 469,067,261.74/31,968.17
  6. Step 6: Final answer
    x = 14,672.95

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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.