Home / 33,149.13-45,790.56-30,787.17

Finding the Fourth Proportional to 33,149.13, 45,790.56 and 30,787.17

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Solution

The fourth proportional to 33,149.13, 45,790.56 and 30,787.17 is: 42,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.13 : 45,790.56 = 30,787.17 : x
  2. Step 2: Convert to fraction form
    33,149.13/45,790.56 = 30,787.17/x
  3. Step 3: Cross multiply
    33,149.13x = 45,790.56 × 30,787.17
  4. Step 4: Simplify right side
    33,149.13x = 1,409,761,755.12
  5. Step 5: Solve for x
    x = 1,409,761,755.12/33,149.13
  6. Step 6: Final answer
    x = 42,527.87

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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.