Home / 47,500.56-65,540.16-28,375.20

Finding the Fourth Proportional to 47,500.56, 65,540.16 and 28,375.20

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Solution

The fourth proportional to 47,500.56, 65,540.16 and 28,375.20 is: 39,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.56 : 65,540.16 = 28,375.20 : x
  2. Step 2: Convert to fraction form
    47,500.56/65,540.16 = 28,375.20/x
  3. Step 3: Cross multiply
    47,500.56x = 65,540.16 × 28,375.20
  4. Step 4: Simplify right side
    47,500.56x = 1,859,715,148.03
  5. Step 5: Solve for x
    x = 1,859,715,148.03/47,500.56
  6. Step 6: Final answer
    x = 39,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.