Home / 33,099.87-45,688.28-21,163.26

Finding the Fourth Proportional to 33,099.87, 45,688.28 and 21,163.26

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Solution

The fourth proportional to 33,099.87, 45,688.28 and 21,163.26 is: 29,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.87 : 45,688.28 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    33,099.87/45,688.28 = 21,163.26/x
  3. Step 3: Cross multiply
    33,099.87x = 45,688.28 × 21,163.26
  4. Step 4: Simplify right side
    33,099.87x = 966,912,842.78
  5. Step 5: Solve for x
    x = 966,912,842.78/33,099.87
  6. Step 6: Final answer
    x = 29,211.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.