Home / 83,633.60-125,451.12-21,304.04

Finding the Fourth Proportional to 83,633.60, 125,451.12 and 21,304.04

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Solution

The fourth proportional to 83,633.60, 125,451.12 and 21,304.04 is: 31,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,633.60 : 125,451.12 = 21,304.04 : x
  2. Step 2: Convert to fraction form
    83,633.60/125,451.12 = 21,304.04/x
  3. Step 3: Cross multiply
    83,633.60x = 125,451.12 × 21,304.04
  4. Step 4: Simplify right side
    83,633.60x = 2,672,615,678.52
  5. Step 5: Solve for x
    x = 2,672,615,678.52/83,633.60
  6. Step 6: Final answer
    x = 31,956.24

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1.5x scale

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.