Home / 34,321.68-47,358.09-20,177.19

Finding the Fourth Proportional to 34,321.68, 47,358.09 and 20,177.19

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Solution

The fourth proportional to 34,321.68, 47,358.09 and 20,177.19 is: 27,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.68 : 47,358.09 = 20,177.19 : x
  2. Step 2: Convert to fraction form
    34,321.68/47,358.09 = 20,177.19/x
  3. Step 3: Cross multiply
    34,321.68x = 47,358.09 × 20,177.19
  4. Step 4: Simplify right side
    34,321.68x = 955,553,179.97
  5. Step 5: Solve for x
    x = 955,553,179.97/34,321.68
  6. Step 6: Final answer
    x = 27,841.10

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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.