Home / 44,486.20-66,729.30-38,945.80

Finding the Fourth Proportional to 44,486.20, 66,729.30 and 38,945.80

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Solution

The fourth proportional to 44,486.20, 66,729.30 and 38,945.80 is: 58,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,486.20 : 66,729.30 = 38,945.80 : x
  2. Step 2: Convert to fraction form
    44,486.20/66,729.30 = 38,945.80/x
  3. Step 3: Cross multiply
    44,486.20x = 66,729.30 × 38,945.80
  4. Step 4: Simplify right side
    44,486.20x = 2,598,825,971.94
  5. Step 5: Solve for x
    x = 2,598,825,971.94/44,486.20
  6. Step 6: Final answer
    x = 58,418.70

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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.