Home / 36,333.97-50,140.62-20,418.08

Finding the Fourth Proportional to 36,333.97, 50,140.62 and 20,418.08

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Solution

The fourth proportional to 36,333.97, 50,140.62 and 20,418.08 is: 28,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.97 : 50,140.62 = 20,418.08 : x
  2. Step 2: Convert to fraction form
    36,333.97/50,140.62 = 20,418.08/x
  3. Step 3: Cross multiply
    36,333.97x = 50,140.62 × 20,418.08
  4. Step 4: Simplify right side
    36,333.97x = 1,023,774,939.71
  5. Step 5: Solve for x
    x = 1,023,774,939.71/36,333.97
  6. Step 6: Final answer
    x = 28,176.80

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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.