Home / 50,319.87-69,439.92-28,808.91

Finding the Fourth Proportional to 50,319.87, 69,439.92 and 28,808.91

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Solution

The fourth proportional to 50,319.87, 69,439.92 and 28,808.91 is: 39,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.87 : 69,439.92 = 28,808.91 : x
  2. Step 2: Convert to fraction form
    50,319.87/69,439.92 = 28,808.91/x
  3. Step 3: Cross multiply
    50,319.87x = 69,439.92 × 28,808.91
  4. Step 4: Simplify right side
    50,319.87x = 2,000,488,405.69
  5. Step 5: Solve for x
    x = 2,000,488,405.69/50,319.87
  6. Step 6: Final answer
    x = 39,755.44

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1.5x scale

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.