Home / 43,032.68-64,549.62-11,443.28

Finding the Fourth Proportional to 43,032.68, 64,549.62 and 11,443.28

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Solution

The fourth proportional to 43,032.68, 64,549.62 and 11,443.28 is: 17,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.68 : 64,549.62 = 11,443.28 : x
  2. Step 2: Convert to fraction form
    43,032.68/64,549.62 = 11,443.28/x
  3. Step 3: Cross multiply
    43,032.68x = 64,549.62 × 11,443.28
  4. Step 4: Simplify right side
    43,032.68x = 738,659,375.55
  5. Step 5: Solve for x
    x = 738,659,375.55/43,032.68
  6. Step 6: Final answer
    x = 17,165.08

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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.