Home / 54,179.67-81,252.87-19,111.13

Finding the Fourth Proportional to 54,179.67, 81,252.87 and 19,111.13

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Solution

The fourth proportional to 54,179.67, 81,252.87 and 19,111.13 is: 28,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.67 : 81,252.87 = 19,111.13 : x
  2. Step 2: Convert to fraction form
    54,179.67/81,252.87 = 19,111.13/x
  3. Step 3: Cross multiply
    54,179.67x = 81,252.87 × 19,111.13
  4. Step 4: Simplify right side
    54,179.67x = 1,552,834,161.44
  5. Step 5: Solve for x
    x = 1,552,834,161.44/54,179.67
  6. Step 6: Final answer
    x = 28,660.83

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1.5x scale

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.