Home / 31,960.23-47,940.75-12,239.97

Finding the Fourth Proportional to 31,960.23, 47,940.75 and 12,239.97

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Solution

The fourth proportional to 31,960.23, 47,940.75 and 12,239.97 is: 18,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.23 : 47,940.75 = 12,239.97 : x
  2. Step 2: Convert to fraction form
    31,960.23/47,940.75 = 12,239.97/x
  3. Step 3: Cross multiply
    31,960.23x = 47,940.75 × 12,239.97
  4. Step 4: Simplify right side
    31,960.23x = 586,793,341.78
  5. Step 5: Solve for x
    x = 586,793,341.78/31,960.23
  6. Step 6: Final answer
    x = 18,360.11

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1.5x scale

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.