Home / 38,472.55-57,703.05-12,173.88

Finding the Fourth Proportional to 38,472.55, 57,703.05 and 12,173.88

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Solution

The fourth proportional to 38,472.55, 57,703.05 and 12,173.88 is: 18,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.55 : 57,703.05 = 12,173.88 : x
  2. Step 2: Convert to fraction form
    38,472.55/57,703.05 = 12,173.88/x
  3. Step 3: Cross multiply
    38,472.55x = 57,703.05 × 12,173.88
  4. Step 4: Simplify right side
    38,472.55x = 702,470,006.33
  5. Step 5: Solve for x
    x = 702,470,006.33/38,472.55
  6. Step 6: Final answer
    x = 18,258.99

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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.