Home / 33,179.28-45,787.36-18,275.28

Finding the Fourth Proportional to 33,179.28, 45,787.36 and 18,275.28

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Solution

The fourth proportional to 33,179.28, 45,787.36 and 18,275.28 is: 25,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.28 : 45,787.36 = 18,275.28 : x
  2. Step 2: Convert to fraction form
    33,179.28/45,787.36 = 18,275.28/x
  3. Step 3: Cross multiply
    33,179.28x = 45,787.36 × 18,275.28
  4. Step 4: Simplify right side
    33,179.28x = 836,776,824.46
  5. Step 5: Solve for x
    x = 836,776,824.46/33,179.28
  6. Step 6: Final answer
    x = 25,219.86

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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.