Home / 43,781.30-65,720.55-27,160.10

Finding the Fourth Proportional to 43,781.30, 65,720.55 and 27,160.10

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Solution

The fourth proportional to 43,781.30, 65,720.55 and 27,160.10 is: 40,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.30 : 65,720.55 = 27,160.10 : x
  2. Step 2: Convert to fraction form
    43,781.30/65,720.55 = 27,160.10/x
  3. Step 3: Cross multiply
    43,781.30x = 65,720.55 × 27,160.10
  4. Step 4: Simplify right side
    43,781.30x = 1,784,976,710.06
  5. Step 5: Solve for x
    x = 1,784,976,710.06/43,781.30
  6. Step 6: Final answer
    x = 40,770.30

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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.