Home / 38,612.11-57,926.67-21,979.99

Finding the Fourth Proportional to 38,612.11, 57,926.67 and 21,979.99

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Solution

The fourth proportional to 38,612.11, 57,926.67 and 21,979.99 is: 32,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612.11 : 57,926.67 = 21,979.99 : x
  2. Step 2: Convert to fraction form
    38,612.11/57,926.67 = 21,979.99/x
  3. Step 3: Cross multiply
    38,612.11x = 57,926.67 × 21,979.99
  4. Step 4: Simplify right side
    38,612.11x = 1,273,227,627.33
  5. Step 5: Solve for x
    x = 1,273,227,627.33/38,612.11
  6. Step 6: Final answer
    x = 32,974.83

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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.