Home / 36,708.47-50,661.21-20,578.53

Finding the Fourth Proportional to 36,708.47, 50,661.21 and 20,578.53

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Solution

The fourth proportional to 36,708.47, 50,661.21 and 20,578.53 is: 28,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.47 : 50,661.21 = 20,578.53 : x
  2. Step 2: Convert to fraction form
    36,708.47/50,661.21 = 20,578.53/x
  3. Step 3: Cross multiply
    36,708.47x = 50,661.21 × 20,578.53
  4. Step 4: Simplify right side
    36,708.47x = 1,042,533,496.97
  5. Step 5: Solve for x
    x = 1,042,533,496.97/36,708.47
  6. Step 6: Final answer
    x = 28,400.35

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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.