Home / 50,555.40-69,755.76-29,331.96

Finding the Fourth Proportional to 50,555.40, 69,755.76 and 29,331.96

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Solution

The fourth proportional to 50,555.40, 69,755.76 and 29,331.96 is: 40,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,555.40 : 69,755.76 = 29,331.96 : x
  2. Step 2: Convert to fraction form
    50,555.40/69,755.76 = 29,331.96/x
  3. Step 3: Cross multiply
    50,555.40x = 69,755.76 × 29,331.96
  4. Step 4: Simplify right side
    50,555.40x = 2,046,073,162.09
  5. Step 5: Solve for x
    x = 2,046,073,162.09/50,555.40
  6. Step 6: Final answer
    x = 40,471.90

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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.