Home / 50,120.29-69,008.20-42,551.65

Finding the Fourth Proportional to 50,120.29, 69,008.20 and 42,551.65

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Solution

The fourth proportional to 50,120.29, 69,008.20 and 42,551.65 is: 58,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.29 : 69,008.20 = 42,551.65 : x
  2. Step 2: Convert to fraction form
    50,120.29/69,008.20 = 42,551.65/x
  3. Step 3: Cross multiply
    50,120.29x = 69,008.20 × 42,551.65
  4. Step 4: Simplify right side
    50,120.29x = 2,936,412,773.53
  5. Step 5: Solve for x
    x = 2,936,412,773.53/50,120.29
  6. Step 6: Final answer
    x = 58,587.31

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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.