Home / 33,069.16-45,616.26-21,740.68

Finding the Fourth Proportional to 33,069.16, 45,616.26 and 21,740.68

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Solution

The fourth proportional to 33,069.16, 45,616.26 and 21,740.68 is: 29,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.16 : 45,616.26 = 21,740.68 : x
  2. Step 2: Convert to fraction form
    33,069.16/45,616.26 = 21,740.68/x
  3. Step 3: Cross multiply
    33,069.16x = 45,616.26 × 21,740.68
  4. Step 4: Simplify right side
    33,069.16x = 991,728,511.46
  5. Step 5: Solve for x
    x = 991,728,511.46/33,069.16
  6. Step 6: Final answer
    x = 29,989.53

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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.