Home / 79,932.42-119,895.78-19,961.24

Finding the Fourth Proportional to 79,932.42, 119,895.78 and 19,961.24

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Solution

The fourth proportional to 79,932.42, 119,895.78 and 19,961.24 is: 29,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,932.42 : 119,895.78 = 19,961.24 : x
  2. Step 2: Convert to fraction form
    79,932.42/119,895.78 = 19,961.24/x
  3. Step 3: Cross multiply
    79,932.42x = 119,895.78 × 19,961.24
  4. Step 4: Simplify right side
    79,932.42x = 2,393,268,439.57
  5. Step 5: Solve for x
    x = 2,393,268,439.57/79,932.42
  6. Step 6: Final answer
    x = 29,941.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.