Home / 57,382.83-79,188-31,541.97

Finding the Fourth Proportional to 57,382.83, 79,188 and 31,541.97

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Solution

The fourth proportional to 57,382.83, 79,188 and 31,541.97 is: 43,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.83 : 79,188 = 31,541.97 : x
  2. Step 2: Convert to fraction form
    57,382.83/79,188 = 31,541.97/x
  3. Step 3: Cross multiply
    57,382.83x = 79,188 × 31,541.97
  4. Step 4: Simplify right side
    57,382.83x = 2,497,745,520.36
  5. Step 5: Solve for x
    x = 2,497,745,520.36/57,382.83
  6. Step 6: Final answer
    x = 43,527.75

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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.