Home / 71,378.24-98,493.76-39,539.04

Finding the Fourth Proportional to 71,378.24, 98,493.76 and 39,539.04

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Solution

The fourth proportional to 71,378.24, 98,493.76 and 39,539.04 is: 54,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.24 : 98,493.76 = 39,539.04 : x
  2. Step 2: Convert to fraction form
    71,378.24/98,493.76 = 39,539.04/x
  3. Step 3: Cross multiply
    71,378.24x = 98,493.76 × 39,539.04
  4. Step 4: Simplify right side
    71,378.24x = 3,894,348,716.39
  5. Step 5: Solve for x
    x = 3,894,348,716.39/71,378.24
  6. Step 6: Final answer
    x = 54,559.33

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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.