Home / 31,400.46-47,105.82-9,214.56

Finding the Fourth Proportional to 31,400.46, 47,105.82 and 9,214.56

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Solution

The fourth proportional to 31,400.46, 47,105.82 and 9,214.56 is: 13,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.46 : 47,105.82 = 9,214.56 : x
  2. Step 2: Convert to fraction form
    31,400.46/47,105.82 = 9,214.56/x
  3. Step 3: Cross multiply
    31,400.46x = 47,105.82 × 9,214.56
  4. Step 4: Simplify right side
    31,400.46x = 434,059,404.74
  5. Step 5: Solve for x
    x = 434,059,404.74/31,400.46
  6. Step 6: Final answer
    x = 13,823.35

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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.