Home / 29,031.28-43,292.04-28,781.04

Finding the Fourth Proportional to 29,031.28, 43,292.04 and 28,781.04

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Solution

The fourth proportional to 29,031.28, 43,292.04 and 28,781.04 is: 42,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.28 : 43,292.04 = 28,781.04 : x
  2. Step 2: Convert to fraction form
    29,031.28/43,292.04 = 28,781.04/x
  3. Step 3: Cross multiply
    29,031.28x = 43,292.04 × 28,781.04
  4. Step 4: Simplify right side
    29,031.28x = 1,245,989,934.92
  5. Step 5: Solve for x
    x = 1,245,989,934.92/29,031.28
  6. Step 6: Final answer
    x = 42,918.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.