Home / 31,337.14-47,001.09-9,144.56

Finding the Fourth Proportional to 31,337.14, 47,001.09 and 9,144.56

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Solution

The fourth proportional to 31,337.14, 47,001.09 and 9,144.56 is: 13,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.14 : 47,001.09 = 9,144.56 : x
  2. Step 2: Convert to fraction form
    31,337.14/47,001.09 = 9,144.56/x
  3. Step 3: Cross multiply
    31,337.14x = 47,001.09 × 9,144.56
  4. Step 4: Simplify right side
    31,337.14x = 429,804,006.84
  5. Step 5: Solve for x
    x = 429,804,006.84/31,337.14
  6. Step 6: Final answer
    x = 13,715.48

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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.