Home / 43,626.90-65,440.71-18,654.06

Finding the Fourth Proportional to 43,626.90, 65,440.71 and 18,654.06

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Solution

The fourth proportional to 43,626.90, 65,440.71 and 18,654.06 is: 27,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.90 : 65,440.71 = 18,654.06 : x
  2. Step 2: Convert to fraction form
    43,626.90/65,440.71 = 18,654.06/x
  3. Step 3: Cross multiply
    43,626.90x = 65,440.71 × 18,654.06
  4. Step 4: Simplify right side
    43,626.90x = 1,220,734,930.78
  5. Step 5: Solve for x
    x = 1,220,734,930.78/43,626.90
  6. Step 6: Final answer
    x = 27,981.24

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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.