Home / 29,815.20-41,147.10-19,726.02

Finding the Fourth Proportional to 29,815.20, 41,147.10 and 19,726.02

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Solution

The fourth proportional to 29,815.20, 41,147.10 and 19,726.02 is: 27,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.20 : 41,147.10 = 19,726.02 : x
  2. Step 2: Convert to fraction form
    29,815.20/41,147.10 = 19,726.02/x
  3. Step 3: Cross multiply
    29,815.20x = 41,147.10 × 19,726.02
  4. Step 4: Simplify right side
    29,815.20x = 811,668,517.54
  5. Step 5: Solve for x
    x = 811,668,517.54/29,815.20
  6. Step 6: Final answer
    x = 27,223.31

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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.