Home / 32,890.80-49,335.84-13,173.96

Finding the Fourth Proportional to 32,890.80, 49,335.84 and 13,173.96

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Solution

The fourth proportional to 32,890.80, 49,335.84 and 13,173.96 is: 19,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.80 : 49,335.84 = 13,173.96 : x
  2. Step 2: Convert to fraction form
    32,890.80/49,335.84 = 13,173.96/x
  3. Step 3: Cross multiply
    32,890.80x = 49,335.84 × 13,173.96
  4. Step 4: Simplify right side
    32,890.80x = 649,948,382.73
  5. Step 5: Solve for x
    x = 649,948,382.73/32,890.80
  6. Step 6: Final answer
    x = 19,760.80

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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.