Home / 47,991.40-71,984.82-16,824.28

Finding the Fourth Proportional to 47,991.40, 71,984.82 and 16,824.28

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Solution

The fourth proportional to 47,991.40, 71,984.82 and 16,824.28 is: 25,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.40 : 71,984.82 = 16,824.28 : x
  2. Step 2: Convert to fraction form
    47,991.40/71,984.82 = 16,824.28/x
  3. Step 3: Cross multiply
    47,991.40x = 71,984.82 × 16,824.28
  4. Step 4: Simplify right side
    47,991.40x = 1,211,092,767.43
  5. Step 5: Solve for x
    x = 1,211,092,767.43/47,991.40
  6. Step 6: Final answer
    x = 25,235.62

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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.