Home / 31,983.66-47,979.54-10,927.71

Finding the Fourth Proportional to 31,983.66, 47,979.54 and 10,927.71

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Solution

The fourth proportional to 31,983.66, 47,979.54 and 10,927.71 is: 16,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.66 : 47,979.54 = 10,927.71 : x
  2. Step 2: Convert to fraction form
    31,983.66/47,979.54 = 10,927.71/x
  3. Step 3: Cross multiply
    31,983.66x = 47,979.54 × 10,927.71
  4. Step 4: Simplify right side
    31,983.66x = 524,306,499.05
  5. Step 5: Solve for x
    x = 524,306,499.05/31,983.66
  6. Step 6: Final answer
    x = 16,392.95

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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.