Home / 49,983.48-74,947.68-16,686

Finding the Fourth Proportional to 49,983.48, 74,947.68 and 16,686

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Solution

The fourth proportional to 49,983.48, 74,947.68 and 16,686 is: 25,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.48 : 74,947.68 = 16,686 : x
  2. Step 2: Convert to fraction form
    49,983.48/74,947.68 = 16,686/x
  3. Step 3: Cross multiply
    49,983.48x = 74,947.68 × 16,686
  4. Step 4: Simplify right side
    49,983.48x = 1,250,576,988.48
  5. Step 5: Solve for x
    x = 1,250,576,988.48/49,983.48
  6. Step 6: Final answer
    x = 25,019.81

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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.