Home / 29,660.28-44,441.16-20,876.72

Finding the Fourth Proportional to 29,660.28, 44,441.16 and 20,876.72

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Solution

The fourth proportional to 29,660.28, 44,441.16 and 20,876.72 is: 31,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.28 : 44,441.16 = 20,876.72 : x
  2. Step 2: Convert to fraction form
    29,660.28/44,441.16 = 20,876.72/x
  3. Step 3: Cross multiply
    29,660.28x = 44,441.16 × 20,876.72
  4. Step 4: Simplify right side
    29,660.28x = 927,785,653.80
  5. Step 5: Solve for x
    x = 927,785,653.80/29,660.28
  6. Step 6: Final answer
    x = 31,280.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.