Home / 31,163.60-46,770.24-16,381.20

Finding the Fourth Proportional to 31,163.60, 46,770.24 and 16,381.20

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Solution

The fourth proportional to 31,163.60, 46,770.24 and 16,381.20 is: 24,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.60 : 46,770.24 = 16,381.20 : x
  2. Step 2: Convert to fraction form
    31,163.60/46,770.24 = 16,381.20/x
  3. Step 3: Cross multiply
    31,163.60x = 46,770.24 × 16,381.20
  4. Step 4: Simplify right side
    31,163.60x = 766,152,655.49
  5. Step 5: Solve for x
    x = 766,152,655.49/31,163.60
  6. Step 6: Final answer
    x = 24,584.86

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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.