Home / 38,887.38-58,342.41-12,591.54

Finding the Fourth Proportional to 38,887.38, 58,342.41 and 12,591.54

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Solution

The fourth proportional to 38,887.38, 58,342.41 and 12,591.54 is: 18,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.38 : 58,342.41 = 12,591.54 : x
  2. Step 2: Convert to fraction form
    38,887.38/58,342.41 = 12,591.54/x
  3. Step 3: Cross multiply
    38,887.38x = 58,342.41 × 12,591.54
  4. Step 4: Simplify right side
    38,887.38x = 734,620,789.21
  5. Step 5: Solve for x
    x = 734,620,789.21/38,887.38
  6. Step 6: Final answer
    x = 18,890.98

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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.