Home / 84,389.38-126,588.71-25,229.66

Finding the Fourth Proportional to 84,389.38, 126,588.71 and 25,229.66

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Solution

The fourth proportional to 84,389.38, 126,588.71 and 25,229.66 is: 37,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.38 : 126,588.71 = 25,229.66 : x
  2. Step 2: Convert to fraction form
    84,389.38/126,588.71 = 25,229.66/x
  3. Step 3: Cross multiply
    84,389.38x = 126,588.71 × 25,229.66
  4. Step 4: Simplify right side
    84,389.38x = 3,193,790,492.68
  5. Step 5: Solve for x
    x = 3,193,790,492.68/84,389.38
  6. Step 6: Final answer
    x = 37,845.88

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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.