Home / 31,560.04-47,348.29-11,838.97

Finding the Fourth Proportional to 31,560.04, 47,348.29 and 11,838.97

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Solution

The fourth proportional to 31,560.04, 47,348.29 and 11,838.97 is: 17,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.04 : 47,348.29 = 11,838.97 : x
  2. Step 2: Convert to fraction form
    31,560.04/47,348.29 = 11,838.97/x
  3. Step 3: Cross multiply
    31,560.04x = 47,348.29 × 11,838.97
  4. Step 4: Simplify right side
    31,560.04x = 560,554,984.86
  5. Step 5: Solve for x
    x = 560,554,984.86/31,560.04
  6. Step 6: Final answer
    x = 17,761.54

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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.