Home / 50,399.40-69,551.15-29,178.21

Finding the Fourth Proportional to 50,399.40, 69,551.15 and 29,178.21

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Solution

The fourth proportional to 50,399.40, 69,551.15 and 29,178.21 is: 40,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,399.40 : 69,551.15 = 29,178.21 : x
  2. Step 2: Convert to fraction form
    50,399.40/69,551.15 = 29,178.21/x
  3. Step 3: Cross multiply
    50,399.40x = 69,551.15 × 29,178.21
  4. Step 4: Simplify right side
    50,399.40x = 2,029,378,060.44
  5. Step 5: Solve for x
    x = 2,029,378,060.44/50,399.40
  6. Step 6: Final answer
    x = 40,265.92

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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.