Home / 36,616.78-50,529.18-20,700.28

Finding the Fourth Proportional to 36,616.78, 50,529.18 and 20,700.28

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Solution

The fourth proportional to 36,616.78, 50,529.18 and 20,700.28 is: 28,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,616.78 : 50,529.18 = 20,700.28 : x
  2. Step 2: Convert to fraction form
    36,616.78/50,529.18 = 20,700.28/x
  3. Step 3: Cross multiply
    36,616.78x = 50,529.18 × 20,700.28
  4. Step 4: Simplify right side
    36,616.78x = 1,045,968,174.17
  5. Step 5: Solve for x
    x = 1,045,968,174.17/36,616.78
  6. Step 6: Final answer
    x = 28,565.27

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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.