Home / 38,620.75-57,932.13-12,325.47

Finding the Fourth Proportional to 38,620.75, 57,932.13 and 12,325.47

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Solution

The fourth proportional to 38,620.75, 57,932.13 and 12,325.47 is: 18,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.75 : 57,932.13 = 12,325.47 : x
  2. Step 2: Convert to fraction form
    38,620.75/57,932.13 = 12,325.47/x
  3. Step 3: Cross multiply
    38,620.75x = 57,932.13 × 12,325.47
  4. Step 4: Simplify right side
    38,620.75x = 714,040,776.57
  5. Step 5: Solve for x
    x = 714,040,776.57/38,620.75
  6. Step 6: Final answer
    x = 18,488.53

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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.