Home / 54,191.84-74,787.64-30,317.09

Finding the Fourth Proportional to 54,191.84, 74,787.64 and 30,317.09

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Solution

The fourth proportional to 54,191.84, 74,787.64 and 30,317.09 is: 41,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.84 : 74,787.64 = 30,317.09 : x
  2. Step 2: Convert to fraction form
    54,191.84/74,787.64 = 30,317.09/x
  3. Step 3: Cross multiply
    54,191.84x = 74,787.64 × 30,317.09
  4. Step 4: Simplify right side
    54,191.84x = 2,267,343,163.04
  5. Step 5: Solve for x
    x = 2,267,343,163.04/54,191.84
  6. Step 6: Final answer
    x = 41,839.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.