Home / 36,220.08-49,983.08-20,087.28

Finding the Fourth Proportional to 36,220.08, 49,983.08 and 20,087.28

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Solution

The fourth proportional to 36,220.08, 49,983.08 and 20,087.28 is: 27,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.08 : 49,983.08 = 20,087.28 : x
  2. Step 2: Convert to fraction form
    36,220.08/49,983.08 = 20,087.28/x
  3. Step 3: Cross multiply
    36,220.08x = 49,983.08 × 20,087.28
  4. Step 4: Simplify right side
    36,220.08x = 1,004,024,123.22
  5. Step 5: Solve for x
    x = 1,004,024,123.22/36,220.08
  6. Step 6: Final answer
    x = 27,720.10

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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.