Home / 50,235.56-69,251.10-38,278.20

Finding the Fourth Proportional to 50,235.56, 69,251.10 and 38,278.20

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Solution

The fourth proportional to 50,235.56, 69,251.10 and 38,278.20 is: 52,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,235.56 : 69,251.10 = 38,278.20 : x
  2. Step 2: Convert to fraction form
    50,235.56/69,251.10 = 38,278.20/x
  3. Step 3: Cross multiply
    50,235.56x = 69,251.10 × 38,278.20
  4. Step 4: Simplify right side
    50,235.56x = 2,650,807,456.02
  5. Step 5: Solve for x
    x = 2,650,807,456.02/50,235.56
  6. Step 6: Final answer
    x = 52,767.55

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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.