Home / 31,344.63-47,003.07-14,691.21

Finding the Fourth Proportional to 31,344.63, 47,003.07 and 14,691.21

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Solution

The fourth proportional to 31,344.63, 47,003.07 and 14,691.21 is: 22,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.63 : 47,003.07 = 14,691.21 : x
  2. Step 2: Convert to fraction form
    31,344.63/47,003.07 = 14,691.21/x
  3. Step 3: Cross multiply
    31,344.63x = 47,003.07 × 14,691.21
  4. Step 4: Simplify right side
    31,344.63x = 690,531,972.01
  5. Step 5: Solve for x
    x = 690,531,972.01/31,344.63
  6. Step 6: Final answer
    x = 22,030.31

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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.