Home / 31,806.20-47,709.30-16,254.20

Finding the Fourth Proportional to 31,806.20, 47,709.30 and 16,254.20

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Solution

The fourth proportional to 31,806.20, 47,709.30 and 16,254.20 is: 24,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.20 : 47,709.30 = 16,254.20 : x
  2. Step 2: Convert to fraction form
    31,806.20/47,709.30 = 16,254.20/x
  3. Step 3: Cross multiply
    31,806.20x = 47,709.30 × 16,254.20
  4. Step 4: Simplify right side
    31,806.20x = 775,476,504.06
  5. Step 5: Solve for x
    x = 775,476,504.06/31,806.20
  6. Step 6: Final answer
    x = 24,381.30

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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.