Home / 36,356.80-50,171.10-20,442.16

Finding the Fourth Proportional to 36,356.80, 50,171.10 and 20,442.16

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Solution

The fourth proportional to 36,356.80, 50,171.10 and 20,442.16 is: 28,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.80 : 50,171.10 = 20,442.16 : x
  2. Step 2: Convert to fraction form
    36,356.80/50,171.10 = 20,442.16/x
  3. Step 3: Cross multiply
    36,356.80x = 50,171.10 × 20,442.16
  4. Step 4: Simplify right side
    36,356.80x = 1,025,605,653.58
  5. Step 5: Solve for x
    x = 1,025,605,653.58/36,356.80
  6. Step 6: Final answer
    x = 28,209.46

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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.