Home / 31,824.70-47,664.34-15,196.38

Finding the Fourth Proportional to 31,824.70, 47,664.34 and 15,196.38

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Solution

The fourth proportional to 31,824.70, 47,664.34 and 15,196.38 is: 22,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.70 : 47,664.34 = 15,196.38 : x
  2. Step 2: Convert to fraction form
    31,824.70/47,664.34 = 15,196.38/x
  3. Step 3: Cross multiply
    31,824.70x = 47,664.34 × 15,196.38
  4. Step 4: Simplify right side
    31,824.70x = 724,325,385.10
  5. Step 5: Solve for x
    x = 724,325,385.10/31,824.70
  6. Step 6: Final answer
    x = 22,759.85

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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.