Home / 33,102.55-49,635.60-13,358.80

Finding the Fourth Proportional to 33,102.55, 49,635.60 and 13,358.80

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Solution

The fourth proportional to 33,102.55, 49,635.60 and 13,358.80 is: 20,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.55 : 49,635.60 = 13,358.80 : x
  2. Step 2: Convert to fraction form
    33,102.55/49,635.60 = 13,358.80/x
  3. Step 3: Cross multiply
    33,102.55x = 49,635.60 × 13,358.80
  4. Step 4: Simplify right side
    33,102.55x = 663,072,053.28
  5. Step 5: Solve for x
    x = 663,072,053.28/33,102.55
  6. Step 6: Final answer
    x = 20,030.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.