Home / 31,984.20-47,913.94-19,473.20

Finding the Fourth Proportional to 31,984.20, 47,913.94 and 19,473.20

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Solution

The fourth proportional to 31,984.20, 47,913.94 and 19,473.20 is: 29,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.20 : 47,913.94 = 19,473.20 : x
  2. Step 2: Convert to fraction form
    31,984.20/47,913.94 = 19,473.20/x
  3. Step 3: Cross multiply
    31,984.20x = 47,913.94 × 19,473.20
  4. Step 4: Simplify right side
    31,984.20x = 933,037,736.41
  5. Step 5: Solve for x
    x = 933,037,736.41/31,984.20
  6. Step 6: Final answer
    x = 29,171.83

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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.