Home / 51,521.30-77,691.88-50,818.73

Finding the Fourth Proportional to 51,521.30, 77,691.88 and 50,818.73

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Solution

The fourth proportional to 51,521.30, 77,691.88 and 50,818.73 is: 76,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.30 : 77,691.88 = 50,818.73 : x
  2. Step 2: Convert to fraction form
    51,521.30/77,691.88 = 50,818.73/x
  3. Step 3: Cross multiply
    51,521.30x = 77,691.88 × 50,818.73
  4. Step 4: Simplify right side
    51,521.30x = 3,948,202,284.45
  5. Step 5: Solve for x
    x = 3,948,202,284.45/51,521.30
  6. Step 6: Final answer
    x = 76,632.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.