Home / 41,120.40-61,648.20-17,727.60

Finding the Fourth Proportional to 41,120.40, 61,648.20 and 17,727.60

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Solution

The fourth proportional to 41,120.40, 61,648.20 and 17,727.60 is: 26,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.40 : 61,648.20 = 17,727.60 : x
  2. Step 2: Convert to fraction form
    41,120.40/61,648.20 = 17,727.60/x
  3. Step 3: Cross multiply
    41,120.40x = 61,648.20 × 17,727.60
  4. Step 4: Simplify right side
    41,120.40x = 1,092,874,630.32
  5. Step 5: Solve for x
    x = 1,092,874,630.32/41,120.40
  6. Step 6: Final answer
    x = 26,577.43

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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.