Home / 33,280.45-45,901.05-21,344.69

Finding the Fourth Proportional to 33,280.45, 45,901.05 and 21,344.69

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Solution

The fourth proportional to 33,280.45, 45,901.05 and 21,344.69 is: 29,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.45 : 45,901.05 = 21,344.69 : x
  2. Step 2: Convert to fraction form
    33,280.45/45,901.05 = 21,344.69/x
  3. Step 3: Cross multiply
    33,280.45x = 45,901.05 × 21,344.69
  4. Step 4: Simplify right side
    33,280.45x = 979,743,797.68
  5. Step 5: Solve for x
    x = 979,743,797.68/33,280.45
  6. Step 6: Final answer
    x = 29,439.02

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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.