Home / 38,458.62-57,713.67-13,498.80

Finding the Fourth Proportional to 38,458.62, 57,713.67 and 13,498.80

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Solution

The fourth proportional to 38,458.62, 57,713.67 and 13,498.80 is: 20,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.62 : 57,713.67 = 13,498.80 : x
  2. Step 2: Convert to fraction form
    38,458.62/57,713.67 = 13,498.80/x
  3. Step 3: Cross multiply
    38,458.62x = 57,713.67 × 13,498.80
  4. Step 4: Simplify right side
    38,458.62x = 779,065,288.60
  5. Step 5: Solve for x
    x = 779,065,288.60/38,458.62
  6. Step 6: Final answer
    x = 20,257.23

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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.