Home / 33,140.98-45,733.17-18,236.02

Finding the Fourth Proportional to 33,140.98, 45,733.17 and 18,236.02

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Solution

The fourth proportional to 33,140.98, 45,733.17 and 18,236.02 is: 25,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.98 : 45,733.17 = 18,236.02 : x
  2. Step 2: Convert to fraction form
    33,140.98/45,733.17 = 18,236.02/x
  3. Step 3: Cross multiply
    33,140.98x = 45,733.17 × 18,236.02
  4. Step 4: Simplify right side
    33,140.98x = 833,991,002.78
  5. Step 5: Solve for x
    x = 833,991,002.78/33,140.98
  6. Step 6: Final answer
    x = 25,164.95

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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.