Home / 43,812.90-65,723.40-17,512.20

Finding the Fourth Proportional to 43,812.90, 65,723.40 and 17,512.20

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Solution

The fourth proportional to 43,812.90, 65,723.40 and 17,512.20 is: 26,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.90 : 65,723.40 = 17,512.20 : x
  2. Step 2: Convert to fraction form
    43,812.90/65,723.40 = 17,512.20/x
  3. Step 3: Cross multiply
    43,812.90x = 65,723.40 × 17,512.20
  4. Step 4: Simplify right side
    43,812.90x = 1,150,961,325.48
  5. Step 5: Solve for x
    x = 1,150,961,325.48/43,812.90
  6. Step 6: Final answer
    x = 26,269.92

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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.