Home / 38,523.30-57,793.05-21,869.70

Finding the Fourth Proportional to 38,523.30, 57,793.05 and 21,869.70

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Solution

The fourth proportional to 38,523.30, 57,793.05 and 21,869.70 is: 32,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.30 : 57,793.05 = 21,869.70 : x
  2. Step 2: Convert to fraction form
    38,523.30/57,793.05 = 21,869.70/x
  3. Step 3: Cross multiply
    38,523.30x = 57,793.05 × 21,869.70
  4. Step 4: Simplify right side
    38,523.30x = 1,263,916,665.59
  5. Step 5: Solve for x
    x = 1,263,916,665.59/38,523.30
  6. Step 6: Final answer
    x = 32,809.15

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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.