Home / 50,545.15-75,764.36-18,934.56

Finding the Fourth Proportional to 50,545.15, 75,764.36 and 18,934.56

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Solution

The fourth proportional to 50,545.15, 75,764.36 and 18,934.56 is: 28,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,545.15 : 75,764.36 = 18,934.56 : x
  2. Step 2: Convert to fraction form
    50,545.15/75,764.36 = 18,934.56/x
  3. Step 3: Cross multiply
    50,545.15x = 75,764.36 × 18,934.56
  4. Step 4: Simplify right side
    50,545.15x = 1,434,564,867.62
  5. Step 5: Solve for x
    x = 1,434,564,867.62/50,545.15
  6. Step 6: Final answer
    x = 28,381.85

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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.