Home / 50,311.28-69,438.12-29,103.44

Finding the Fourth Proportional to 50,311.28, 69,438.12 and 29,103.44

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Solution

The fourth proportional to 50,311.28, 69,438.12 and 29,103.44 is: 40,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.28 : 69,438.12 = 29,103.44 : x
  2. Step 2: Convert to fraction form
    50,311.28/69,438.12 = 29,103.44/x
  3. Step 3: Cross multiply
    50,311.28x = 69,438.12 × 29,103.44
  4. Step 4: Simplify right side
    50,311.28x = 2,020,888,159.13
  5. Step 5: Solve for x
    x = 2,020,888,159.13/50,311.28
  6. Step 6: Final answer
    x = 40,167.70

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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.