Home / 31,561.04-47,349.79-11,839.97

Finding the Fourth Proportional to 31,561.04, 47,349.79 and 11,839.97

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Solution

The fourth proportional to 31,561.04, 47,349.79 and 11,839.97 is: 17,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.04 : 47,349.79 = 11,839.97 : x
  2. Step 2: Convert to fraction form
    31,561.04/47,349.79 = 11,839.97/x
  3. Step 3: Cross multiply
    31,561.04x = 47,349.79 × 11,839.97
  4. Step 4: Simplify right side
    31,561.04x = 560,620,093.11
  5. Step 5: Solve for x
    x = 560,620,093.11/31,561.04
  6. Step 6: Final answer
    x = 17,763.04

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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.