Home / 44,165.88-66,217.50-20,779.56

Finding the Fourth Proportional to 44,165.88, 66,217.50 and 20,779.56

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Solution

The fourth proportional to 44,165.88, 66,217.50 and 20,779.56 is: 31,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,165.88 : 66,217.50 = 20,779.56 : x
  2. Step 2: Convert to fraction form
    44,165.88/66,217.50 = 20,779.56/x
  3. Step 3: Cross multiply
    44,165.88x = 66,217.50 × 20,779.56
  4. Step 4: Simplify right side
    44,165.88x = 1,375,970,514.30
  5. Step 5: Solve for x
    x = 1,375,970,514.30/44,165.88
  6. Step 6: Final answer
    x = 31,154.60

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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.