Home / 43,378.72-65,047.20-27,575.04

Finding the Fourth Proportional to 43,378.72, 65,047.20 and 27,575.04

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Solution

The fourth proportional to 43,378.72, 65,047.20 and 27,575.04 is: 41,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.72 : 65,047.20 = 27,575.04 : x
  2. Step 2: Convert to fraction form
    43,378.72/65,047.20 = 27,575.04/x
  3. Step 3: Cross multiply
    43,378.72x = 65,047.20 × 27,575.04
  4. Step 4: Simplify right side
    43,378.72x = 1,793,679,141.89
  5. Step 5: Solve for x
    x = 1,793,679,141.89/43,378.72
  6. Step 6: Final answer
    x = 41,349.29

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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.