Home / 33,132.50-45,722.85-18,229.46

Finding the Fourth Proportional to 33,132.50, 45,722.85 and 18,229.46

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Solution

The fourth proportional to 33,132.50, 45,722.85 and 18,229.46 is: 25,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.50 : 45,722.85 = 18,229.46 : x
  2. Step 2: Convert to fraction form
    33,132.50/45,722.85 = 18,229.46/x
  3. Step 3: Cross multiply
    33,132.50x = 45,722.85 × 18,229.46
  4. Step 4: Simplify right side
    33,132.50x = 833,502,865.16
  5. Step 5: Solve for x
    x = 833,502,865.16/33,132.50
  6. Step 6: Final answer
    x = 25,156.65

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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.