Home / 54,255.15-81,382.73-34,572.15

Finding the Fourth Proportional to 54,255.15, 81,382.73 and 34,572.15

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Solution

The fourth proportional to 54,255.15, 81,382.73 and 34,572.15 is: 51,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.15 : 81,382.73 = 34,572.15 : x
  2. Step 2: Convert to fraction form
    54,255.15/81,382.73 = 34,572.15/x
  3. Step 3: Cross multiply
    54,255.15x = 81,382.73 × 34,572.15
  4. Step 4: Simplify right side
    54,255.15x = 2,813,575,776.11
  5. Step 5: Solve for x
    x = 2,813,575,776.11/54,255.15
  6. Step 6: Final answer
    x = 51,858.23

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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.