Home / 39,947.25-59,920.89-13,652.22

Finding the Fourth Proportional to 39,947.25, 59,920.89 and 13,652.22

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Solution

The fourth proportional to 39,947.25, 59,920.89 and 13,652.22 is: 20,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.25 : 59,920.89 = 13,652.22 : x
  2. Step 2: Convert to fraction form
    39,947.25/59,920.89 = 13,652.22/x
  3. Step 3: Cross multiply
    39,947.25x = 59,920.89 × 13,652.22
  4. Step 4: Simplify right side
    39,947.25x = 818,053,172.88
  5. Step 5: Solve for x
    x = 818,053,172.88/39,947.25
  6. Step 6: Final answer
    x = 20,478.34

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Similar ratio
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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.