Home / 84,639.38-126,966.76-22,309.88

Finding the Fourth Proportional to 84,639.38, 126,966.76 and 22,309.88

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Solution

The fourth proportional to 84,639.38, 126,966.76 and 22,309.88 is: 33,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.38 : 126,966.76 = 22,309.88 : x
  2. Step 2: Convert to fraction form
    84,639.38/126,966.76 = 22,309.88/x
  3. Step 3: Cross multiply
    84,639.38x = 126,966.76 × 22,309.88
  4. Step 4: Simplify right side
    84,639.38x = 2,832,613,068.04
  5. Step 5: Solve for x
    x = 2,832,613,068.04/84,639.38
  6. Step 6: Final answer
    x = 33,466.85

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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.