Home / 54,387.31-81,571.23-34,607.11

Finding the Fourth Proportional to 54,387.31, 81,571.23 and 34,607.11

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Solution

The fourth proportional to 54,387.31, 81,571.23 and 34,607.11 is: 51,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.31 : 81,571.23 = 34,607.11 : x
  2. Step 2: Convert to fraction form
    54,387.31/81,571.23 = 34,607.11/x
  3. Step 3: Cross multiply
    54,387.31x = 81,571.23 × 34,607.11
  4. Step 4: Simplify right side
    54,387.31x = 2,822,943,948.55
  5. Step 5: Solve for x
    x = 2,822,943,948.55/54,387.31
  6. Step 6: Final answer
    x = 51,904.46

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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.