Home / 31,621.68-47,425.22-11,902.23

Finding the Fourth Proportional to 31,621.68, 47,425.22 and 11,902.23

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Solution

The fourth proportional to 31,621.68, 47,425.22 and 11,902.23 is: 17,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.68 : 47,425.22 = 11,902.23 : x
  2. Step 2: Convert to fraction form
    31,621.68/47,425.22 = 11,902.23/x
  3. Step 3: Cross multiply
    31,621.68x = 47,425.22 × 11,902.23
  4. Step 4: Simplify right side
    31,621.68x = 564,465,816.73
  5. Step 5: Solve for x
    x = 564,465,816.73/31,621.68
  6. Step 6: Final answer
    x = 17,850.60

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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.