Home / 41,217.90-61,790.37-20,146.15

Finding the Fourth Proportional to 41,217.90, 61,790.37 and 20,146.15

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Solution

The fourth proportional to 41,217.90, 61,790.37 and 20,146.15 is: 30,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.90 : 61,790.37 = 20,146.15 : x
  2. Step 2: Convert to fraction form
    41,217.90/61,790.37 = 20,146.15/x
  3. Step 3: Cross multiply
    41,217.90x = 61,790.37 × 20,146.15
  4. Step 4: Simplify right side
    41,217.90x = 1,244,838,062.58
  5. Step 5: Solve for x
    x = 1,244,838,062.58/41,217.90
  6. Step 6: Final answer
    x = 30,201.39

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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.