Home / 43,187.66-64,790.45-18,227.91

Finding the Fourth Proportional to 43,187.66, 64,790.45 and 18,227.91

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Solution

The fourth proportional to 43,187.66, 64,790.45 and 18,227.91 is: 27,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.66 : 64,790.45 = 18,227.91 : x
  2. Step 2: Convert to fraction form
    43,187.66/64,790.45 = 18,227.91/x
  3. Step 3: Cross multiply
    43,187.66x = 64,790.45 × 18,227.91
  4. Step 4: Simplify right side
    43,187.66x = 1,180,994,481.31
  5. Step 5: Solve for x
    x = 1,180,994,481.31/43,187.66
  6. Step 6: Final answer
    x = 27,345.65

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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.