Home / 49,784.38-74,660.34-18,187.18

Finding the Fourth Proportional to 49,784.38, 74,660.34 and 18,187.18

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Solution

The fourth proportional to 49,784.38, 74,660.34 and 18,187.18 is: 27,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.38 : 74,660.34 = 18,187.18 : x
  2. Step 2: Convert to fraction form
    49,784.38/74,660.34 = 18,187.18/x
  3. Step 3: Cross multiply
    49,784.38x = 74,660.34 × 18,187.18
  4. Step 4: Simplify right side
    49,784.38x = 1,357,861,042.44
  5. Step 5: Solve for x
    x = 1,357,861,042.44/49,784.38
  6. Step 6: Final answer
    x = 27,274.84

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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.