Home / 43,431.57-65,159.69-22,387.03

Finding the Fourth Proportional to 43,431.57, 65,159.69 and 22,387.03

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Solution

The fourth proportional to 43,431.57, 65,159.69 and 22,387.03 is: 33,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.57 : 65,159.69 = 22,387.03 : x
  2. Step 2: Convert to fraction form
    43,431.57/65,159.69 = 22,387.03/x
  3. Step 3: Cross multiply
    43,431.57x = 65,159.69 × 22,387.03
  4. Step 4: Simplify right side
    43,431.57x = 1,458,731,659.99
  5. Step 5: Solve for x
    x = 1,458,731,659.99/43,431.57
  6. Step 6: Final answer
    x = 33,586.90

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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.