Home / 53,332.68-79,972.90-31,151.64

Finding the Fourth Proportional to 53,332.68, 79,972.90 and 31,151.64

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Solution

The fourth proportional to 53,332.68, 79,972.90 and 31,151.64 is: 46,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.68 : 79,972.90 = 31,151.64 : x
  2. Step 2: Convert to fraction form
    53,332.68/79,972.90 = 31,151.64/x
  3. Step 3: Cross multiply
    53,332.68x = 79,972.90 × 31,151.64
  4. Step 4: Simplify right side
    53,332.68x = 2,491,286,990.56
  5. Step 5: Solve for x
    x = 2,491,286,990.56/53,332.68
  6. Step 6: Final answer
    x = 46,712.20

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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.