Home / 43,405.30-65,115.15-17,110.90

Finding the Fourth Proportional to 43,405.30, 65,115.15 and 17,110.90

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Solution

The fourth proportional to 43,405.30, 65,115.15 and 17,110.90 is: 25,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.30 : 65,115.15 = 17,110.90 : x
  2. Step 2: Convert to fraction form
    43,405.30/65,115.15 = 17,110.90/x
  3. Step 3: Cross multiply
    43,405.30x = 65,115.15 × 17,110.90
  4. Step 4: Simplify right side
    43,405.30x = 1,114,178,820.14
  5. Step 5: Solve for x
    x = 1,114,178,820.14/43,405.30
  6. Step 6: Final answer
    x = 25,669.19

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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.