Home / 38,665.10-57,997.58-12,371.82

Finding the Fourth Proportional to 38,665.10, 57,997.58 and 12,371.82

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Solution

The fourth proportional to 38,665.10, 57,997.58 and 12,371.82 is: 18,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.10 : 57,997.58 = 12,371.82 : x
  2. Step 2: Convert to fraction form
    38,665.10/57,997.58 = 12,371.82/x
  3. Step 3: Cross multiply
    38,665.10x = 57,997.58 × 12,371.82
  4. Step 4: Simplify right side
    38,665.10x = 717,535,558.34
  5. Step 5: Solve for x
    x = 717,535,558.34/38,665.10
  6. Step 6: Final answer
    x = 18,557.71

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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.