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Finding the Fourth Proportional to 32,806.93, 49,186.56 and 13,079.57

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Solution

The fourth proportional to 32,806.93, 49,186.56 and 13,079.57 is: 19,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.93 : 49,186.56 = 13,079.57 : x
  2. Step 2: Convert to fraction form
    32,806.93/49,186.56 = 13,079.57/x
  3. Step 3: Cross multiply
    32,806.93x = 49,186.56 × 13,079.57
  4. Step 4: Simplify right side
    32,806.93x = 643,338,989.18
  5. Step 5: Solve for x
    x = 643,338,989.18/32,806.93
  6. Step 6: Final answer
    x = 19,609.85

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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.