Home / 33,158.43-45,759.38-18,819.21

Finding the Fourth Proportional to 33,158.43, 45,759.38 and 18,819.21

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Solution

The fourth proportional to 33,158.43, 45,759.38 and 18,819.21 is: 25,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.43 : 45,759.38 = 18,819.21 : x
  2. Step 2: Convert to fraction form
    33,158.43/45,759.38 = 18,819.21/x
  3. Step 3: Cross multiply
    33,158.43x = 45,759.38 × 18,819.21
  4. Step 4: Simplify right side
    33,158.43x = 861,155,381.69
  5. Step 5: Solve for x
    x = 861,155,381.69/33,158.43
  6. Step 6: Final answer
    x = 25,970.93

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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.