Home / 43,140.22-64,729.17-15,080.42

Finding the Fourth Proportional to 43,140.22, 64,729.17 and 15,080.42

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Solution

The fourth proportional to 43,140.22, 64,729.17 and 15,080.42 is: 22,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.22 : 64,729.17 = 15,080.42 : x
  2. Step 2: Convert to fraction form
    43,140.22/64,729.17 = 15,080.42/x
  3. Step 3: Cross multiply
    43,140.22x = 64,729.17 × 15,080.42
  4. Step 4: Simplify right side
    43,140.22x = 976,143,231.67
  5. Step 5: Solve for x
    x = 976,143,231.67/43,140.22
  6. Step 6: Final answer
    x = 22,627.22

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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.