Home / 50,318.18-69,439.10-29,109.76

Finding the Fourth Proportional to 50,318.18, 69,439.10 and 29,109.76

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Solution

The fourth proportional to 50,318.18, 69,439.10 and 29,109.76 is: 40,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.18 : 69,439.10 = 29,109.76 : x
  2. Step 2: Convert to fraction form
    50,318.18/69,439.10 = 29,109.76/x
  3. Step 3: Cross multiply
    50,318.18x = 69,439.10 × 29,109.76
  4. Step 4: Simplify right side
    50,318.18x = 2,021,355,535.62
  5. Step 5: Solve for x
    x = 2,021,355,535.62/50,318.18
  6. Step 6: Final answer
    x = 40,171.48

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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.