Home / 41,085.60-61,610.40-18,891.60

Finding the Fourth Proportional to 41,085.60, 61,610.40 and 18,891.60

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Solution

The fourth proportional to 41,085.60, 61,610.40 and 18,891.60 is: 28,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,085.60 : 61,610.40 = 18,891.60 : x
  2. Step 2: Convert to fraction form
    41,085.60/61,610.40 = 18,891.60/x
  3. Step 3: Cross multiply
    41,085.60x = 61,610.40 × 18,891.60
  4. Step 4: Simplify right side
    41,085.60x = 1,163,919,032.64
  5. Step 5: Solve for x
    x = 1,163,919,032.64/41,085.60
  6. Step 6: Final answer
    x = 28,329.12

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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.