Home / 54,127.02-81,169.76-18,581.72

Finding the Fourth Proportional to 54,127.02, 81,169.76 and 18,581.72

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Solution

The fourth proportional to 54,127.02, 81,169.76 and 18,581.72 is: 27,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.02 : 81,169.76 = 18,581.72 : x
  2. Step 2: Convert to fraction form
    54,127.02/81,169.76 = 18,581.72/x
  3. Step 3: Cross multiply
    54,127.02x = 81,169.76 × 18,581.72
  4. Step 4: Simplify right side
    54,127.02x = 1,508,273,254.03
  5. Step 5: Solve for x
    x = 1,508,273,254.03/54,127.02
  6. Step 6: Final answer
    x = 27,865.44

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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.