Home / 43,129.18-64,718.82-18,167.68

Finding the Fourth Proportional to 43,129.18, 64,718.82 and 18,167.68

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Solution

The fourth proportional to 43,129.18, 64,718.82 and 18,167.68 is: 27,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,129.18 : 64,718.82 = 18,167.68 : x
  2. Step 2: Convert to fraction form
    43,129.18/64,718.82 = 18,167.68/x
  3. Step 3: Cross multiply
    43,129.18x = 64,718.82 × 18,167.68
  4. Step 4: Simplify right side
    43,129.18x = 1,175,790,811.74
  5. Step 5: Solve for x
    x = 1,175,790,811.74/43,129.18
  6. Step 6: Final answer
    x = 27,262.07

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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.