Home / 31,371.03-47,015-23,011.91

Finding the Fourth Proportional to 31,371.03, 47,015 and 23,011.91

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Solution

The fourth proportional to 31,371.03, 47,015 and 23,011.91 is: 34,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.03 : 47,015 = 23,011.91 : x
  2. Step 2: Convert to fraction form
    31,371.03/47,015 = 23,011.91/x
  3. Step 3: Cross multiply
    31,371.03x = 47,015 × 23,011.91
  4. Step 4: Simplify right side
    31,371.03x = 1,081,904,948.65
  5. Step 5: Solve for x
    x = 1,081,904,948.65/31,371.03
  6. Step 6: Final answer
    x = 34,487.39

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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.