Home / 41,872.42-62,803.68-13,785.58

Finding the Fourth Proportional to 41,872.42, 62,803.68 and 13,785.58

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Solution

The fourth proportional to 41,872.42, 62,803.68 and 13,785.58 is: 20,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,872.42 : 62,803.68 = 13,785.58 : x
  2. Step 2: Convert to fraction form
    41,872.42/62,803.68 = 13,785.58/x
  3. Step 3: Cross multiply
    41,872.42x = 62,803.68 × 13,785.58
  4. Step 4: Simplify right side
    41,872.42x = 865,785,154.93
  5. Step 5: Solve for x
    x = 865,785,154.93/41,872.42
  6. Step 6: Final answer
    x = 20,676.74

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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.