Home / 51,982.14-77,979.32-18,237.86

Finding the Fourth Proportional to 51,982.14, 77,979.32 and 18,237.86

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Solution

The fourth proportional to 51,982.14, 77,979.32 and 18,237.86 is: 27,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,982.14 : 77,979.32 = 18,237.86 : x
  2. Step 2: Convert to fraction form
    51,982.14/77,979.32 = 18,237.86/x
  3. Step 3: Cross multiply
    51,982.14x = 77,979.32 × 18,237.86
  4. Step 4: Simplify right side
    51,982.14x = 1,422,175,921.06
  5. Step 5: Solve for x
    x = 1,422,175,921.06/51,982.14
  6. Step 6: Final answer
    x = 27,358.93

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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.