Home / 50,291.11-69,410.15-28,781.74

Finding the Fourth Proportional to 50,291.11, 69,410.15 and 28,781.74

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Solution

The fourth proportional to 50,291.11, 69,410.15 and 28,781.74 is: 39,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,291.11 : 69,410.15 = 28,781.74 : x
  2. Step 2: Convert to fraction form
    50,291.11/69,410.15 = 28,781.74/x
  3. Step 3: Cross multiply
    50,291.11x = 69,410.15 × 28,781.74
  4. Step 4: Simplify right side
    50,291.11x = 1,997,744,890.66
  5. Step 5: Solve for x
    x = 1,997,744,890.66/50,291.11
  6. Step 6: Final answer
    x = 39,723.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.