Home / 45,445.20-68,151.24-15,854.64

Finding the Fourth Proportional to 45,445.20, 68,151.24 and 15,854.64

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Solution

The fourth proportional to 45,445.20, 68,151.24 and 15,854.64 is: 23,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445.20 : 68,151.24 = 15,854.64 : x
  2. Step 2: Convert to fraction form
    45,445.20/68,151.24 = 15,854.64/x
  3. Step 3: Cross multiply
    45,445.20x = 68,151.24 × 15,854.64
  4. Step 4: Simplify right side
    45,445.20x = 1,080,513,375.75
  5. Step 5: Solve for x
    x = 1,080,513,375.75/45,445.20
  6. Step 6: Final answer
    x = 23,776.18

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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.