Home / 31,951.08-47,929.23-13,227.63

Finding the Fourth Proportional to 31,951.08, 47,929.23 and 13,227.63

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Solution

The fourth proportional to 31,951.08, 47,929.23 and 13,227.63 is: 19,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.08 : 47,929.23 = 13,227.63 : x
  2. Step 2: Convert to fraction form
    31,951.08/47,929.23 = 13,227.63/x
  3. Step 3: Cross multiply
    31,951.08x = 47,929.23 × 13,227.63
  4. Step 4: Simplify right side
    31,951.08x = 633,990,120.62
  5. Step 5: Solve for x
    x = 633,990,120.62/31,951.08
  6. Step 6: Final answer
    x = 19,842.53

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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.