Home / 31,904.43-47,859.92-12,199.56

Finding the Fourth Proportional to 31,904.43, 47,859.92 and 12,199.56

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Solution

The fourth proportional to 31,904.43, 47,859.92 and 12,199.56 is: 18,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.43 : 47,859.92 = 12,199.56 : x
  2. Step 2: Convert to fraction form
    31,904.43/47,859.92 = 12,199.56/x
  3. Step 3: Cross multiply
    31,904.43x = 47,859.92 × 12,199.56
  4. Step 4: Simplify right side
    31,904.43x = 583,869,965.64
  5. Step 5: Solve for x
    x = 583,869,965.64/31,904.43
  6. Step 6: Final answer
    x = 18,300.59

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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.