Home / 33,042.68-45,483.66-28,519.71

Finding the Fourth Proportional to 33,042.68, 45,483.66 and 28,519.71

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Solution

The fourth proportional to 33,042.68, 45,483.66 and 28,519.71 is: 39,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.68 : 45,483.66 = 28,519.71 : x
  2. Step 2: Convert to fraction form
    33,042.68/45,483.66 = 28,519.71/x
  3. Step 3: Cross multiply
    33,042.68x = 45,483.66 × 28,519.71
  4. Step 4: Simplify right side
    33,042.68x = 1,297,180,879.49
  5. Step 5: Solve for x
    x = 1,297,180,879.49/33,042.68
  6. Step 6: Final answer
    x = 39,257.74

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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.