Home / 31,908.85-47,867.64-10,843.23

Finding the Fourth Proportional to 31,908.85, 47,867.64 and 10,843.23

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Solution

The fourth proportional to 31,908.85, 47,867.64 and 10,843.23 is: 16,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.85 : 47,867.64 = 10,843.23 : x
  2. Step 2: Convert to fraction form
    31,908.85/47,867.64 = 10,843.23/x
  3. Step 3: Cross multiply
    31,908.85x = 47,867.64 × 10,843.23
  4. Step 4: Simplify right side
    31,908.85x = 519,039,830.08
  5. Step 5: Solve for x
    x = 519,039,830.08/31,908.85
  6. Step 6: Final answer
    x = 16,266.33

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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.