Home / 33,132.60-45,725.58-18,988.92

Finding the Fourth Proportional to 33,132.60, 45,725.58 and 18,988.92

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Solution

The fourth proportional to 33,132.60, 45,725.58 and 18,988.92 is: 26,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.60 : 45,725.58 = 18,988.92 : x
  2. Step 2: Convert to fraction form
    33,132.60/45,725.58 = 18,988.92/x
  3. Step 3: Cross multiply
    33,132.60x = 45,725.58 × 18,988.92
  4. Step 4: Simplify right side
    33,132.60x = 868,279,380.57
  5. Step 5: Solve for x
    x = 868,279,380.57/33,132.60
  6. Step 6: Final answer
    x = 26,206.20

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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.