Home / 54,613.66-81,920.52-15,170.76

Finding the Fourth Proportional to 54,613.66, 81,920.52 and 15,170.76

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Solution

The fourth proportional to 54,613.66, 81,920.52 and 15,170.76 is: 22,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.66 : 81,920.52 = 15,170.76 : x
  2. Step 2: Convert to fraction form
    54,613.66/81,920.52 = 15,170.76/x
  3. Step 3: Cross multiply
    54,613.66x = 81,920.52 × 15,170.76
  4. Step 4: Simplify right side
    54,613.66x = 1,242,796,548.00
  5. Step 5: Solve for x
    x = 1,242,796,548.00/54,613.66
  6. Step 6: Final answer
    x = 22,756.15

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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.