Home / 36,066.72-49,771.16-20,151.28

Finding the Fourth Proportional to 36,066.72, 49,771.16 and 20,151.28

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Solution

The fourth proportional to 36,066.72, 49,771.16 and 20,151.28 is: 27,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,066.72 : 49,771.16 = 20,151.28 : x
  2. Step 2: Convert to fraction form
    36,066.72/49,771.16 = 20,151.28/x
  3. Step 3: Cross multiply
    36,066.72x = 49,771.16 × 20,151.28
  4. Step 4: Simplify right side
    36,066.72x = 1,002,952,581.08
  5. Step 5: Solve for x
    x = 1,002,952,581.08/36,066.72
  6. Step 6: Final answer
    x = 27,808.26

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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.