Home / 38,160.10-57,245.55-11,862.10

Finding the Fourth Proportional to 38,160.10, 57,245.55 and 11,862.10

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Solution

The fourth proportional to 38,160.10, 57,245.55 and 11,862.10 is: 17,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,160.10 : 57,245.55 = 11,862.10 : x
  2. Step 2: Convert to fraction form
    38,160.10/57,245.55 = 11,862.10/x
  3. Step 3: Cross multiply
    38,160.10x = 57,245.55 × 11,862.10
  4. Step 4: Simplify right side
    38,160.10x = 679,052,438.66
  5. Step 5: Solve for x
    x = 679,052,438.66/38,160.10
  6. Step 6: Final answer
    x = 17,794.83

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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.