Home / 41,276.76-61,906.88-20,207.72

Finding the Fourth Proportional to 41,276.76, 61,906.88 and 20,207.72

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Solution

The fourth proportional to 41,276.76, 61,906.88 and 20,207.72 is: 30,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,276.76 : 61,906.88 = 20,207.72 : x
  2. Step 2: Convert to fraction form
    41,276.76/61,906.88 = 20,207.72/x
  3. Step 3: Cross multiply
    41,276.76x = 61,906.88 × 20,207.72
  4. Step 4: Simplify right side
    41,276.76x = 1,250,996,897.11
  5. Step 5: Solve for x
    x = 1,250,996,897.11/41,276.76
  6. Step 6: Final answer
    x = 30,307.54

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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.