Home / 54,963.22-75,836.61-31,084.72

Finding the Fourth Proportional to 54,963.22, 75,836.61 and 31,084.72

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Solution

The fourth proportional to 54,963.22, 75,836.61 and 31,084.72 is: 42,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,963.22 : 75,836.61 = 31,084.72 : x
  2. Step 2: Convert to fraction form
    54,963.22/75,836.61 = 31,084.72/x
  3. Step 3: Cross multiply
    54,963.22x = 75,836.61 × 31,084.72
  4. Step 4: Simplify right side
    54,963.22x = 2,357,359,787.60
  5. Step 5: Solve for x
    x = 2,357,359,787.60/54,963.22
  6. Step 6: Final answer
    x = 42,889.77

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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.