Home / 49,844.20-74,805.18-18,688.36

Finding the Fourth Proportional to 49,844.20, 74,805.18 and 18,688.36

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Solution

The fourth proportional to 49,844.20, 74,805.18 and 18,688.36 is: 28,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,844.20 : 74,805.18 = 18,688.36 : x
  2. Step 2: Convert to fraction form
    49,844.20/74,805.18 = 18,688.36/x
  3. Step 3: Cross multiply
    49,844.20x = 74,805.18 × 18,688.36
  4. Step 4: Simplify right side
    49,844.20x = 1,397,986,133.70
  5. Step 5: Solve for x
    x = 1,397,986,133.70/49,844.20
  6. Step 6: Final answer
    x = 28,047.12

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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.