Home / 33,061.68-45,626.36-20,310.80

Finding the Fourth Proportional to 33,061.68, 45,626.36 and 20,310.80

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Solution

The fourth proportional to 33,061.68, 45,626.36 and 20,310.80 is: 28,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,061.68 : 45,626.36 = 20,310.80 : x
  2. Step 2: Convert to fraction form
    33,061.68/45,626.36 = 20,310.80/x
  3. Step 3: Cross multiply
    33,061.68x = 45,626.36 × 20,310.80
  4. Step 4: Simplify right side
    33,061.68x = 926,707,543.00
  5. Step 5: Solve for x
    x = 926,707,543.00/33,061.68
  6. Step 6: Final answer
    x = 28,029.66

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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.