Home / 36,450.51-50,299.91-20,319.57

Finding the Fourth Proportional to 36,450.51, 50,299.91 and 20,319.57

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Solution

The fourth proportional to 36,450.51, 50,299.91 and 20,319.57 is: 28,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450.51 : 50,299.91 = 20,319.57 : x
  2. Step 2: Convert to fraction form
    36,450.51/50,299.91 = 20,319.57/x
  3. Step 3: Cross multiply
    36,450.51x = 50,299.91 × 20,319.57
  4. Step 4: Simplify right side
    36,450.51x = 1,022,072,516.84
  5. Step 5: Solve for x
    x = 1,022,072,516.84/36,450.51
  6. Step 6: Final answer
    x = 28,040.01

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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.