Home / 29,721.28-44,576.88-8,939.92

Finding the Fourth Proportional to 29,721.28, 44,576.88 and 8,939.92

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Solution

The fourth proportional to 29,721.28, 44,576.88 and 8,939.92 is: 13,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.28 : 44,576.88 = 8,939.92 : x
  2. Step 2: Convert to fraction form
    29,721.28/44,576.88 = 8,939.92/x
  3. Step 3: Cross multiply
    29,721.28x = 44,576.88 × 8,939.92
  4. Step 4: Simplify right side
    29,721.28x = 398,513,741.05
  5. Step 5: Solve for x
    x = 398,513,741.05/29,721.28
  6. Step 6: Final answer
    x = 13,408.36

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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.