Home / 33,120.57-49,632.56-15,356.67

Finding the Fourth Proportional to 33,120.57, 49,632.56 and 15,356.67

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Solution

The fourth proportional to 33,120.57, 49,632.56 and 15,356.67 is: 23,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.57 : 49,632.56 = 15,356.67 : x
  2. Step 2: Convert to fraction form
    33,120.57/49,632.56 = 15,356.67/x
  3. Step 3: Cross multiply
    33,120.57x = 49,632.56 × 15,356.67
  4. Step 4: Simplify right side
    33,120.57x = 762,190,639.86
  5. Step 5: Solve for x
    x = 762,190,639.86/33,120.57
  6. Step 6: Final answer
    x = 23,012.60

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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.