Home / 54,077.84-81,059.31-31,901.66

Finding the Fourth Proportional to 54,077.84, 81,059.31 and 31,901.66

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Solution

The fourth proportional to 54,077.84, 81,059.31 and 31,901.66 is: 47,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.84 : 81,059.31 = 31,901.66 : x
  2. Step 2: Convert to fraction form
    54,077.84/81,059.31 = 31,901.66/x
  3. Step 3: Cross multiply
    54,077.84x = 81,059.31 × 31,901.66
  4. Step 4: Simplify right side
    54,077.84x = 2,585,926,142.16
  5. Step 5: Solve for x
    x = 2,585,926,142.16/54,077.84
  6. Step 6: Final answer
    x = 47,818.60

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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.