Home / 43,720.45-65,580.62-17,443.65

Finding the Fourth Proportional to 43,720.45, 65,580.62 and 17,443.65

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Solution

The fourth proportional to 43,720.45, 65,580.62 and 17,443.65 is: 26,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.45 : 65,580.62 = 17,443.65 : x
  2. Step 2: Convert to fraction form
    43,720.45/65,580.62 = 17,443.65/x
  3. Step 3: Cross multiply
    43,720.45x = 65,580.62 × 17,443.65
  4. Step 4: Simplify right side
    43,720.45x = 1,143,965,085.56
  5. Step 5: Solve for x
    x = 1,143,965,085.56/43,720.45
  6. Step 6: Final answer
    x = 26,165.45

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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.