Home / 77,318.54-115,995.96-24,007.78

Finding the Fourth Proportional to 77,318.54, 115,995.96 and 24,007.78

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Solution

The fourth proportional to 77,318.54, 115,995.96 and 24,007.78 is: 36,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.54 : 115,995.96 = 24,007.78 : x
  2. Step 2: Convert to fraction form
    77,318.54/115,995.96 = 24,007.78/x
  3. Step 3: Cross multiply
    77,318.54x = 115,995.96 × 24,007.78
  4. Step 4: Simplify right side
    77,318.54x = 2,784,805,488.57
  5. Step 5: Solve for x
    x = 2,784,805,488.57/77,318.54
  6. Step 6: Final answer
    x = 36,017.31

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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.