Home / 38,145.11-57,230.09-18,425.93

Finding the Fourth Proportional to 38,145.11, 57,230.09 and 18,425.93

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Solution

The fourth proportional to 38,145.11, 57,230.09 and 18,425.93 is: 27,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.11 : 57,230.09 = 18,425.93 : x
  2. Step 2: Convert to fraction form
    38,145.11/57,230.09 = 18,425.93/x
  3. Step 3: Cross multiply
    38,145.11x = 57,230.09 × 18,425.93
  4. Step 4: Simplify right side
    38,145.11x = 1,054,517,540.10
  5. Step 5: Solve for x
    x = 1,054,517,540.10/38,145.11
  6. Step 6: Final answer
    x = 27,644.89

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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.