Home / 51,434.82-77,132.97-17,691.30

Finding the Fourth Proportional to 51,434.82, 77,132.97 and 17,691.30

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Solution

The fourth proportional to 51,434.82, 77,132.97 and 17,691.30 is: 26,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,434.82 : 77,132.97 = 17,691.30 : x
  2. Step 2: Convert to fraction form
    51,434.82/77,132.97 = 17,691.30/x
  3. Step 3: Cross multiply
    51,434.82x = 77,132.97 × 17,691.30
  4. Step 4: Simplify right side
    51,434.82x = 1,364,582,512.16
  5. Step 5: Solve for x
    x = 1,364,582,512.16/51,434.82
  6. Step 6: Final answer
    x = 26,530.33

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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.