Home / 33,182.90-49,657.40-20,708.79

Finding the Fourth Proportional to 33,182.90, 49,657.40 and 20,708.79

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Solution

The fourth proportional to 33,182.90, 49,657.40 and 20,708.79 is: 30,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.90 : 49,657.40 = 20,708.79 : x
  2. Step 2: Convert to fraction form
    33,182.90/49,657.40 = 20,708.79/x
  3. Step 3: Cross multiply
    33,182.90x = 49,657.40 × 20,708.79
  4. Step 4: Simplify right side
    33,182.90x = 1,028,344,472.03
  5. Step 5: Solve for x
    x = 1,028,344,472.03/33,182.90
  6. Step 6: Final answer
    x = 30,990.20

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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.