Home / 38,463.34-57,660.72-20,703.54

Finding the Fourth Proportional to 38,463.34, 57,660.72 and 20,703.54

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Solution

The fourth proportional to 38,463.34, 57,660.72 and 20,703.54 is: 31,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.34 : 57,660.72 = 20,703.54 : x
  2. Step 2: Convert to fraction form
    38,463.34/57,660.72 = 20,703.54/x
  3. Step 3: Cross multiply
    38,463.34x = 57,660.72 × 20,703.54
  4. Step 4: Simplify right side
    38,463.34x = 1,193,781,022.95
  5. Step 5: Solve for x
    x = 1,193,781,022.95/38,463.34
  6. Step 6: Final answer
    x = 31,036.85

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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.