Home / 79,922.42-119,880.79-19,951.23

Finding the Fourth Proportional to 79,922.42, 119,880.79 and 19,951.23

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Solution

The fourth proportional to 79,922.42, 119,880.79 and 19,951.23 is: 29,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,922.42 : 119,880.79 = 19,951.23 : x
  2. Step 2: Convert to fraction form
    79,922.42/119,880.79 = 19,951.23/x
  3. Step 3: Cross multiply
    79,922.42x = 119,880.79 × 19,951.23
  4. Step 4: Simplify right side
    79,922.42x = 2,391,769,114.12
  5. Step 5: Solve for x
    x = 2,391,769,114.12/79,922.42
  6. Step 6: Final answer
    x = 29,926.14

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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.