Home / 33,278.28-45,931.77-21,949.80

Finding the Fourth Proportional to 33,278.28, 45,931.77 and 21,949.80

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Solution

The fourth proportional to 33,278.28, 45,931.77 and 21,949.80 is: 30,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.28 : 45,931.77 = 21,949.80 : x
  2. Step 2: Convert to fraction form
    33,278.28/45,931.77 = 21,949.80/x
  3. Step 3: Cross multiply
    33,278.28x = 45,931.77 × 21,949.80
  4. Step 4: Simplify right side
    33,278.28x = 1,008,193,165.15
  5. Step 5: Solve for x
    x = 1,008,193,165.15/33,278.28
  6. Step 6: Final answer
    x = 30,295.83

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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.