Home / 50,921.31-70,279.85-29,700.57

Finding the Fourth Proportional to 50,921.31, 70,279.85 and 29,700.57

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Solution

The fourth proportional to 50,921.31, 70,279.85 and 29,700.57 is: 40,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.31 : 70,279.85 = 29,700.57 : x
  2. Step 2: Convert to fraction form
    50,921.31/70,279.85 = 29,700.57/x
  3. Step 3: Cross multiply
    50,921.31x = 70,279.85 × 29,700.57
  4. Step 4: Simplify right side
    50,921.31x = 2,087,351,942.32
  5. Step 5: Solve for x
    x = 2,087,351,942.32/50,921.31
  6. Step 6: Final answer
    x = 40,991.72

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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.