Home / 43,676.86-65,515.24-13,691.30

Finding the Fourth Proportional to 43,676.86, 65,515.24 and 13,691.30

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Solution

The fourth proportional to 43,676.86, 65,515.24 and 13,691.30 is: 20,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.86 : 65,515.24 = 13,691.30 : x
  2. Step 2: Convert to fraction form
    43,676.86/65,515.24 = 13,691.30/x
  3. Step 3: Cross multiply
    43,676.86x = 65,515.24 × 13,691.30
  4. Step 4: Simplify right side
    43,676.86x = 896,988,805.41
  5. Step 5: Solve for x
    x = 896,988,805.41/43,676.86
  6. Step 6: Final answer
    x = 20,536.93

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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.