Home / 71,391.47-98,517.75-39,563.33

Finding the Fourth Proportional to 71,391.47, 98,517.75 and 39,563.33

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Solution

The fourth proportional to 71,391.47, 98,517.75 and 39,563.33 is: 54,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,391.47 : 98,517.75 = 39,563.33 : x
  2. Step 2: Convert to fraction form
    71,391.47/98,517.75 = 39,563.33/x
  3. Step 3: Cross multiply
    71,391.47x = 98,517.75 × 39,563.33
  4. Step 4: Simplify right side
    71,391.47x = 3,897,690,254.11
  5. Step 5: Solve for x
    x = 3,897,690,254.11/71,391.47
  6. Step 6: Final answer
    x = 54,596.02

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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.