Home / 54,418.50-81,642.51-22,811.94

Finding the Fourth Proportional to 54,418.50, 81,642.51 and 22,811.94

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Solution

The fourth proportional to 54,418.50, 81,642.51 and 22,811.94 is: 34,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.50 : 81,642.51 = 22,811.94 : x
  2. Step 2: Convert to fraction form
    54,418.50/81,642.51 = 22,811.94/x
  3. Step 3: Cross multiply
    54,418.50x = 81,642.51 × 22,811.94
  4. Step 4: Simplify right side
    54,418.50x = 1,862,424,039.57
  5. Step 5: Solve for x
    x = 1,862,424,039.57/54,418.50
  6. Step 6: Final answer
    x = 34,224.10

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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.