Home / 33,069.18-45,584.91-20,298.78

Finding the Fourth Proportional to 33,069.18, 45,584.91 and 20,298.78

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Solution

The fourth proportional to 33,069.18, 45,584.91 and 20,298.78 is: 27,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.18 : 45,584.91 = 20,298.78 : x
  2. Step 2: Convert to fraction form
    33,069.18/45,584.91 = 20,298.78/x
  3. Step 3: Cross multiply
    33,069.18x = 45,584.91 × 20,298.78
  4. Step 4: Simplify right side
    33,069.18x = 925,318,059.41
  5. Step 5: Solve for x
    x = 925,318,059.41/33,069.18
  6. Step 6: Final answer
    x = 27,981.28

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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.