Home / 57,549.29-79,422-34,889.22

Finding the Fourth Proportional to 57,549.29, 79,422 and 34,889.22

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Solution

The fourth proportional to 57,549.29, 79,422 and 34,889.22 is: 48,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,549.29 : 79,422 = 34,889.22 : x
  2. Step 2: Convert to fraction form
    57,549.29/79,422 = 34,889.22/x
  3. Step 3: Cross multiply
    57,549.29x = 79,422 × 34,889.22
  4. Step 4: Simplify right side
    57,549.29x = 2,770,971,630.84
  5. Step 5: Solve for x
    x = 2,770,971,630.84/57,549.29
  6. Step 6: Final answer
    x = 48,149.54

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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.