Home / 33,180.28-45,787.20-18,072.87

Finding the Fourth Proportional to 33,180.28, 45,787.20 and 18,072.87

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Solution

The fourth proportional to 33,180.28, 45,787.20 and 18,072.87 is: 24,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.28 : 45,787.20 = 18,072.87 : x
  2. Step 2: Convert to fraction form
    33,180.28/45,787.20 = 18,072.87/x
  3. Step 3: Cross multiply
    33,180.28x = 45,787.20 × 18,072.87
  4. Step 4: Simplify right side
    33,180.28x = 827,506,113.26
  5. Step 5: Solve for x
    x = 827,506,113.26/33,180.28
  6. Step 6: Final answer
    x = 24,939.70

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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.