Home / 31,517,729.88-47,179,630-20,564,334.14

Finding the Fourth Proportional to 31,517,729.88, 47,179,630 and 20,564,334.14

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Solution

The fourth proportional to 31,517,729.88, 47,179,630 and 20,564,334.14 is: 30,783,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517,729.88 : 47,179,630 = 20,564,334.14 : x
  2. Step 2: Convert to fraction form
    31,517,729.88/47,179,630 = 20,564,334.14/x
  3. Step 3: Cross multiply
    31,517,729.88x = 47,179,630 × 20,564,334.14
  4. Step 4: Simplify right side
    31,517,729.88x = 970,217,675,921,568.25
  5. Step 5: Solve for x
    x = 970,217,675,921,568.25/31,517,729.88
  6. Step 6: Final answer
    x = 30,783,234.69

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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.