Home / 31,763.61-47,645.82-14,229.81

Finding the Fourth Proportional to 31,763.61, 47,645.82 and 14,229.81

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Solution

The fourth proportional to 31,763.61, 47,645.82 and 14,229.81 is: 21,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.61 : 47,645.82 = 14,229.81 : x
  2. Step 2: Convert to fraction form
    31,763.61/47,645.82 = 14,229.81/x
  3. Step 3: Cross multiply
    31,763.61x = 47,645.82 × 14,229.81
  4. Step 4: Simplify right side
    31,763.61x = 677,990,965.89
  5. Step 5: Solve for x
    x = 677,990,965.89/31,763.61
  6. Step 6: Final answer
    x = 21,344.90

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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.