Home / 33,220.96-45,844.92-18,316.96

Finding the Fourth Proportional to 33,220.96, 45,844.92 and 18,316.96

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Solution

The fourth proportional to 33,220.96, 45,844.92 and 18,316.96 is: 25,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.96 : 45,844.92 = 18,316.96 : x
  2. Step 2: Convert to fraction form
    33,220.96/45,844.92 = 18,316.96/x
  3. Step 3: Cross multiply
    33,220.96x = 45,844.92 × 18,316.96
  4. Step 4: Simplify right side
    33,220.96x = 839,739,565.84
  5. Step 5: Solve for x
    x = 839,739,565.84/33,220.96
  6. Step 6: Final answer
    x = 25,277.40

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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.