Home / 41,518.50-57,321.45-26,640.42

Finding the Fourth Proportional to 41,518.50, 57,321.45 and 26,640.42

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Solution

The fourth proportional to 41,518.50, 57,321.45 and 26,640.42 is: 36,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,518.50 : 57,321.45 = 26,640.42 : x
  2. Step 2: Convert to fraction form
    41,518.50/57,321.45 = 26,640.42/x
  3. Step 3: Cross multiply
    41,518.50x = 57,321.45 × 26,640.42
  4. Step 4: Simplify right side
    41,518.50x = 1,527,067,503.01
  5. Step 5: Solve for x
    x = 1,527,067,503.01/41,518.50
  6. Step 6: Final answer
    x = 36,780.41

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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.