Home / 84,583.62-126,864.39-31,986.27

Finding the Fourth Proportional to 84,583.62, 126,864.39 and 31,986.27

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Solution

The fourth proportional to 84,583.62, 126,864.39 and 31,986.27 is: 47,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,583.62 : 126,864.39 = 31,986.27 : x
  2. Step 2: Convert to fraction form
    84,583.62/126,864.39 = 31,986.27/x
  3. Step 3: Cross multiply
    84,583.62x = 126,864.39 × 31,986.27
  4. Step 4: Simplify right side
    84,583.62x = 4,057,918,631.93
  5. Step 5: Solve for x
    x = 4,057,918,631.93/84,583.62
  6. Step 6: Final answer
    x = 47,975.23

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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.