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Finding the Fourth Proportional to 43,938.33, 65,902.02 and 17,634.20

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Solution

The fourth proportional to 43,938.33, 65,902.02 and 17,634.20 is: 26,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.33 : 65,902.02 = 17,634.20 : x
  2. Step 2: Convert to fraction form
    43,938.33/65,902.02 = 17,634.20/x
  3. Step 3: Cross multiply
    43,938.33x = 65,902.02 × 17,634.20
  4. Step 4: Simplify right side
    43,938.33x = 1,162,129,071.57
  5. Step 5: Solve for x
    x = 1,162,129,071.57/43,938.33
  6. Step 6: Final answer
    x = 26,449.10

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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.