Home / 51,414.12-77,101.02-18,127.08

Finding the Fourth Proportional to 51,414.12, 77,101.02 and 18,127.08

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Solution

The fourth proportional to 51,414.12, 77,101.02 and 18,127.08 is: 27,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.12 : 77,101.02 = 18,127.08 : x
  2. Step 2: Convert to fraction form
    51,414.12/77,101.02 = 18,127.08/x
  3. Step 3: Cross multiply
    51,414.12x = 77,101.02 × 18,127.08
  4. Step 4: Simplify right side
    51,414.12x = 1,397,616,357.62
  5. Step 5: Solve for x
    x = 1,397,616,357.62/51,414.12
  6. Step 6: Final answer
    x = 27,183.51

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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.