Home / 31,934.86-47,905.77-12,230.14

Finding the Fourth Proportional to 31,934.86, 47,905.77 and 12,230.14

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Solution

The fourth proportional to 31,934.86, 47,905.77 and 12,230.14 is: 18,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.86 : 47,905.77 = 12,230.14 : x
  2. Step 2: Convert to fraction form
    31,934.86/47,905.77 = 12,230.14/x
  3. Step 3: Cross multiply
    31,934.86x = 47,905.77 × 12,230.14
  4. Step 4: Simplify right side
    31,934.86x = 585,894,273.91
  5. Step 5: Solve for x
    x = 585,894,273.91/31,934.86
  6. Step 6: Final answer
    x = 18,346.54

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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.