Home / 52,142.28-71,953.46-29,479.83

Finding the Fourth Proportional to 52,142.28, 71,953.46 and 29,479.83

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Solution

The fourth proportional to 52,142.28, 71,953.46 and 29,479.83 is: 40,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.28 : 71,953.46 = 29,479.83 : x
  2. Step 2: Convert to fraction form
    52,142.28/71,953.46 = 29,479.83/x
  3. Step 3: Cross multiply
    52,142.28x = 71,953.46 × 29,479.83
  4. Step 4: Simplify right side
    52,142.28x = 2,121,175,621.31
  5. Step 5: Solve for x
    x = 2,121,175,621.31/52,142.28
  6. Step 6: Final answer
    x = 40,680.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.