Home / 50,119.90-69,165.44-29,976.78

Finding the Fourth Proportional to 50,119.90, 69,165.44 and 29,976.78

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Solution

The fourth proportional to 50,119.90, 69,165.44 and 29,976.78 is: 41,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,119.90 : 69,165.44 = 29,976.78 : x
  2. Step 2: Convert to fraction form
    50,119.90/69,165.44 = 29,976.78/x
  3. Step 3: Cross multiply
    50,119.90x = 69,165.44 × 29,976.78
  4. Step 4: Simplify right side
    50,119.90x = 2,073,357,178.48
  5. Step 5: Solve for x
    x = 2,073,357,178.48/50,119.90
  6. Step 6: Final answer
    x = 41,367.94

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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.