Home / 43,575.60-65,385.04-17,279.76

Finding the Fourth Proportional to 43,575.60, 65,385.04 and 17,279.76

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Solution

The fourth proportional to 43,575.60, 65,385.04 and 17,279.76 is: 25,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.60 : 65,385.04 = 17,279.76 : x
  2. Step 2: Convert to fraction form
    43,575.60/65,385.04 = 17,279.76/x
  3. Step 3: Cross multiply
    43,575.60x = 65,385.04 × 17,279.76
  4. Step 4: Simplify right side
    43,575.60x = 1,129,837,798.79
  5. Step 5: Solve for x
    x = 1,129,837,798.79/43,575.60
  6. Step 6: Final answer
    x = 25,928.22

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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.