Home / 31,540.44-47,290.68-14,877.12

Finding the Fourth Proportional to 31,540.44, 47,290.68 and 14,877.12

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Solution

The fourth proportional to 31,540.44, 47,290.68 and 14,877.12 is: 22,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.44 : 47,290.68 = 14,877.12 : x
  2. Step 2: Convert to fraction form
    31,540.44/47,290.68 = 14,877.12/x
  3. Step 3: Cross multiply
    31,540.44x = 47,290.68 × 14,877.12
  4. Step 4: Simplify right side
    31,540.44x = 703,549,121.24
  5. Step 5: Solve for x
    x = 703,549,121.24/31,540.44
  6. Step 6: Final answer
    x = 22,306.26

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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.