Home / 31,136.46-46,704.57-18,660.24

Finding the Fourth Proportional to 31,136.46, 46,704.57 and 18,660.24

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Solution

The fourth proportional to 31,136.46, 46,704.57 and 18,660.24 is: 27,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136.46 : 46,704.57 = 18,660.24 : x
  2. Step 2: Convert to fraction form
    31,136.46/46,704.57 = 18,660.24/x
  3. Step 3: Cross multiply
    31,136.46x = 46,704.57 × 18,660.24
  4. Step 4: Simplify right side
    31,136.46x = 871,518,485.30
  5. Step 5: Solve for x
    x = 871,518,485.30/31,136.46
  6. Step 6: Final answer
    x = 27,990.29

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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.