Home / 57,382.20-79,174.46-34,720.63

Finding the Fourth Proportional to 57,382.20, 79,174.46 and 34,720.63

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Solution

The fourth proportional to 57,382.20, 79,174.46 and 34,720.63 is: 47,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.20 : 79,174.46 = 34,720.63 : x
  2. Step 2: Convert to fraction form
    57,382.20/79,174.46 = 34,720.63/x
  3. Step 3: Cross multiply
    57,382.20x = 79,174.46 × 34,720.63
  4. Step 4: Simplify right side
    57,382.20x = 2,748,987,019.98
  5. Step 5: Solve for x
    x = 2,748,987,019.98/57,382.20
  6. Step 6: Final answer
    x = 47,906.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.