Home / 39,813.44-59,716.17-13,517.78

Finding the Fourth Proportional to 39,813.44, 59,716.17 and 13,517.78

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Solution

The fourth proportional to 39,813.44, 59,716.17 and 13,517.78 is: 20,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.44 : 59,716.17 = 13,517.78 : x
  2. Step 2: Convert to fraction form
    39,813.44/59,716.17 = 13,517.78/x
  3. Step 3: Cross multiply
    39,813.44x = 59,716.17 × 13,517.78
  4. Step 4: Simplify right side
    39,813.44x = 807,229,749.92
  5. Step 5: Solve for x
    x = 807,229,749.92/39,813.44
  6. Step 6: Final answer
    x = 20,275.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.