Home / 71,184.03-98,229.15-39,348.60

Finding the Fourth Proportional to 71,184.03, 98,229.15 and 39,348.60

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Solution

The fourth proportional to 71,184.03, 98,229.15 and 39,348.60 is: 54,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.03 : 98,229.15 = 39,348.60 : x
  2. Step 2: Convert to fraction form
    71,184.03/98,229.15 = 39,348.60/x
  3. Step 3: Cross multiply
    71,184.03x = 98,229.15 × 39,348.60
  4. Step 4: Simplify right side
    71,184.03x = 3,865,179,531.69
  5. Step 5: Solve for x
    x = 3,865,179,531.69/71,184.03
  6. Step 6: Final answer
    x = 54,298.41

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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.