Home / 71,379.43-98,504.30-39,548.25

Finding the Fourth Proportional to 71,379.43, 98,504.30 and 39,548.25

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Solution

The fourth proportional to 71,379.43, 98,504.30 and 39,548.25 is: 54,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379.43 : 98,504.30 = 39,548.25 : x
  2. Step 2: Convert to fraction form
    71,379.43/98,504.30 = 39,548.25/x
  3. Step 3: Cross multiply
    71,379.43x = 98,504.30 × 39,548.25
  4. Step 4: Simplify right side
    71,379.43x = 3,895,672,781.35
  5. Step 5: Solve for x
    x = 3,895,672,781.35/71,379.43
  6. Step 6: Final answer
    x = 54,576.97

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1.5x scale

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.