Home / 32,789.67-49,187.21-13,819.78

Finding the Fourth Proportional to 32,789.67, 49,187.21 and 13,819.78

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Solution

The fourth proportional to 32,789.67, 49,187.21 and 13,819.78 is: 20,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.67 : 49,187.21 = 13,819.78 : x
  2. Step 2: Convert to fraction form
    32,789.67/49,187.21 = 13,819.78/x
  3. Step 3: Cross multiply
    32,789.67x = 49,187.21 × 13,819.78
  4. Step 4: Simplify right side
    32,789.67x = 679,756,421.01
  5. Step 5: Solve for x
    x = 679,756,421.01/32,789.67
  6. Step 6: Final answer
    x = 20,730.81

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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.