Home / 50,691.12-69,951.43-29,181.57

Finding the Fourth Proportional to 50,691.12, 69,951.43 and 29,181.57

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Solution

The fourth proportional to 50,691.12, 69,951.43 and 29,181.57 is: 40,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.12 : 69,951.43 = 29,181.57 : x
  2. Step 2: Convert to fraction form
    50,691.12/69,951.43 = 29,181.57/x
  3. Step 3: Cross multiply
    50,691.12x = 69,951.43 × 29,181.57
  4. Step 4: Simplify right side
    50,691.12x = 2,041,292,325.30
  5. Step 5: Solve for x
    x = 2,041,292,325.30/50,691.12
  6. Step 6: Final answer
    x = 40,269.23

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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.