Home / 43,446.32-65,174.64-15,360.60

Finding the Fourth Proportional to 43,446.32, 65,174.64 and 15,360.60

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Solution

The fourth proportional to 43,446.32, 65,174.64 and 15,360.60 is: 23,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446.32 : 65,174.64 = 15,360.60 : x
  2. Step 2: Convert to fraction form
    43,446.32/65,174.64 = 15,360.60/x
  3. Step 3: Cross multiply
    43,446.32x = 65,174.64 × 15,360.60
  4. Step 4: Simplify right side
    43,446.32x = 1,001,121,575.18
  5. Step 5: Solve for x
    x = 1,001,121,575.18/43,446.32
  6. Step 6: Final answer
    x = 23,042.72

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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.