Home / 33,272.40-45,897.66-21,322.20

Finding the Fourth Proportional to 33,272.40, 45,897.66 and 21,322.20

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Solution

The fourth proportional to 33,272.40, 45,897.66 and 21,322.20 is: 29,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.40 : 45,897.66 = 21,322.20 : x
  2. Step 2: Convert to fraction form
    33,272.40/45,897.66 = 21,322.20/x
  3. Step 3: Cross multiply
    33,272.40x = 45,897.66 × 21,322.20
  4. Step 4: Simplify right side
    33,272.40x = 978,639,086.05
  5. Step 5: Solve for x
    x = 978,639,086.05/33,272.40
  6. Step 6: Final answer
    x = 29,412.94

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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.