Home / 42,723.91-64,085.87-27,945.26

Finding the Fourth Proportional to 42,723.91, 64,085.87 and 27,945.26

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Solution

The fourth proportional to 42,723.91, 64,085.87 and 27,945.26 is: 41,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.91 : 64,085.87 = 27,945.26 : x
  2. Step 2: Convert to fraction form
    42,723.91/64,085.87 = 27,945.26/x
  3. Step 3: Cross multiply
    42,723.91x = 64,085.87 × 27,945.26
  4. Step 4: Simplify right side
    42,723.91x = 1,790,895,839.32
  5. Step 5: Solve for x
    x = 1,790,895,839.32/42,723.91
  6. Step 6: Final answer
    x = 41,917.88

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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.