Home / 33,280.53-45,937.30-20,537.61

Finding the Fourth Proportional to 33,280.53, 45,937.30 and 20,537.61

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Solution

The fourth proportional to 33,280.53, 45,937.30 and 20,537.61 is: 28,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.53 : 45,937.30 = 20,537.61 : x
  2. Step 2: Convert to fraction form
    33,280.53/45,937.30 = 20,537.61/x
  3. Step 3: Cross multiply
    33,280.53x = 45,937.30 × 20,537.61
  4. Step 4: Simplify right side
    33,280.53x = 943,442,351.85
  5. Step 5: Solve for x
    x = 943,442,351.85/33,280.53
  6. Step 6: Final answer
    x = 28,348.18

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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.