Home / 31,395.79-47,279.38-22,691.53

Finding the Fourth Proportional to 31,395.79, 47,279.38 and 22,691.53

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Solution

The fourth proportional to 31,395.79, 47,279.38 and 22,691.53 is: 34,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.79 : 47,279.38 = 22,691.53 : x
  2. Step 2: Convert to fraction form
    31,395.79/47,279.38 = 22,691.53/x
  3. Step 3: Cross multiply
    31,395.79x = 47,279.38 × 22,691.53
  4. Step 4: Simplify right side
    31,395.79x = 1,072,841,469.65
  5. Step 5: Solve for x
    x = 1,072,841,469.65/31,395.79
  6. Step 6: Final answer
    x = 34,171.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.