Home / 31,504.24-47,255.79-7,811.74

Finding the Fourth Proportional to 31,504.24, 47,255.79 and 7,811.74

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Solution

The fourth proportional to 31,504.24, 47,255.79 and 7,811.74 is: 11,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.24 : 47,255.79 = 7,811.74 : x
  2. Step 2: Convert to fraction form
    31,504.24/47,255.79 = 7,811.74/x
  3. Step 3: Cross multiply
    31,504.24x = 47,255.79 × 7,811.74
  4. Step 4: Simplify right side
    31,504.24x = 369,149,944.97
  5. Step 5: Solve for x
    x = 369,149,944.97/31,504.24
  6. Step 6: Final answer
    x = 11,717.47

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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.