Home / 31,801.80-47,691.54-9,306.27

Finding the Fourth Proportional to 31,801.80, 47,691.54 and 9,306.27

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Solution

The fourth proportional to 31,801.80, 47,691.54 and 9,306.27 is: 13,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801.80 : 47,691.54 = 9,306.27 : x
  2. Step 2: Convert to fraction form
    31,801.80/47,691.54 = 9,306.27/x
  3. Step 3: Cross multiply
    31,801.80x = 47,691.54 × 9,306.27
  4. Step 4: Simplify right side
    31,801.80x = 443,830,347.96
  5. Step 5: Solve for x
    x = 443,830,347.96/31,801.80
  6. Step 6: Final answer
    x = 13,956.14

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1.5x scale

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.