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Finding the Fourth Proportional to 79,013.57, 118,519.13 and 19,849.23

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Solution

The fourth proportional to 79,013.57, 118,519.13 and 19,849.23 is: 29,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.57 : 118,519.13 = 19,849.23 : x
  2. Step 2: Convert to fraction form
    79,013.57/118,519.13 = 19,849.23/x
  3. Step 3: Cross multiply
    79,013.57x = 118,519.13 × 19,849.23
  4. Step 4: Simplify right side
    79,013.57x = 2,352,513,371.52
  5. Step 5: Solve for x
    x = 2,352,513,371.52/79,013.57
  6. Step 6: Final answer
    x = 29,773.54

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1.5x scale

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.