Home / 33,099.92-45,685.08-20,364.02

Finding the Fourth Proportional to 33,099.92, 45,685.08 and 20,364.02

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Solution

The fourth proportional to 33,099.92, 45,685.08 and 20,364.02 is: 28,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.92 : 45,685.08 = 20,364.02 : x
  2. Step 2: Convert to fraction form
    33,099.92/45,685.08 = 20,364.02/x
  3. Step 3: Cross multiply
    33,099.92x = 45,685.08 × 20,364.02
  4. Step 4: Simplify right side
    33,099.92x = 930,331,882.82
  5. Step 5: Solve for x
    x = 930,331,882.82/33,099.92
  6. Step 6: Final answer
    x = 28,106.77

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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.