Home / 33,062.50-45,630.42-20,489.14

Finding the Fourth Proportional to 33,062.50, 45,630.42 and 20,489.14

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Solution

The fourth proportional to 33,062.50, 45,630.42 and 20,489.14 is: 28,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,062.50 : 45,630.42 = 20,489.14 : x
  2. Step 2: Convert to fraction form
    33,062.50/45,630.42 = 20,489.14/x
  3. Step 3: Cross multiply
    33,062.50x = 45,630.42 × 20,489.14
  4. Step 4: Simplify right side
    33,062.50x = 934,928,063.64
  5. Step 5: Solve for x
    x = 934,928,063.64/33,062.50
  6. Step 6: Final answer
    x = 28,277.60

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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.