Home / 43,330.38-64,997.89-12,168.06

Finding the Fourth Proportional to 43,330.38, 64,997.89 and 12,168.06

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Solution

The fourth proportional to 43,330.38, 64,997.89 and 12,168.06 is: 18,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.38 : 64,997.89 = 12,168.06 : x
  2. Step 2: Convert to fraction form
    43,330.38/64,997.89 = 12,168.06/x
  3. Step 3: Cross multiply
    43,330.38x = 64,997.89 × 12,168.06
  4. Step 4: Simplify right side
    43,330.38x = 790,898,194.97
  5. Step 5: Solve for x
    x = 790,898,194.97/43,330.38
  6. Step 6: Final answer
    x = 18,252.74

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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.