Home / 31,962.24-47,938.90-16,962.80

Finding the Fourth Proportional to 31,962.24, 47,938.90 and 16,962.80

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Solution

The fourth proportional to 31,962.24, 47,938.90 and 16,962.80 is: 25,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.24 : 47,938.90 = 16,962.80 : x
  2. Step 2: Convert to fraction form
    31,962.24/47,938.90 = 16,962.80/x
  3. Step 3: Cross multiply
    31,962.24x = 47,938.90 × 16,962.80
  4. Step 4: Simplify right side
    31,962.24x = 813,177,972.92
  5. Step 5: Solve for x
    x = 813,177,972.92/31,962.24
  6. Step 6: Final answer
    x = 25,441.83

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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.