Home / 31,768.80-47,626.44-20,056.20

Finding the Fourth Proportional to 31,768.80, 47,626.44 and 20,056.20

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Solution

The fourth proportional to 31,768.80, 47,626.44 and 20,056.20 is: 30,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.80 : 47,626.44 = 20,056.20 : x
  2. Step 2: Convert to fraction form
    31,768.80/47,626.44 = 20,056.20/x
  3. Step 3: Cross multiply
    31,768.80x = 47,626.44 × 20,056.20
  4. Step 4: Simplify right side
    31,768.80x = 955,205,405.93
  5. Step 5: Solve for x
    x = 955,205,405.93/31,768.80
  6. Step 6: Final answer
    x = 30,067.41

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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.