Home / 31,922.83-47,868.23-18,600.13

Finding the Fourth Proportional to 31,922.83, 47,868.23 and 18,600.13

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Solution

The fourth proportional to 31,922.83, 47,868.23 and 18,600.13 is: 27,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.83 : 47,868.23 = 18,600.13 : x
  2. Step 2: Convert to fraction form
    31,922.83/47,868.23 = 18,600.13/x
  3. Step 3: Cross multiply
    31,922.83x = 47,868.23 × 18,600.13
  4. Step 4: Simplify right side
    31,922.83x = 890,355,207.87
  5. Step 5: Solve for x
    x = 890,355,207.87/31,922.83
  6. Step 6: Final answer
    x = 27,890.86

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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.