Home / 36,035.16-49,726.42-20,120.61

Finding the Fourth Proportional to 36,035.16, 49,726.42 and 20,120.61

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Solution

The fourth proportional to 36,035.16, 49,726.42 and 20,120.61 is: 27,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.16 : 49,726.42 = 20,120.61 : x
  2. Step 2: Convert to fraction form
    36,035.16/49,726.42 = 20,120.61/x
  3. Step 3: Cross multiply
    36,035.16x = 49,726.42 × 20,120.61
  4. Step 4: Simplify right side
    36,035.16x = 1,000,525,903.52
  5. Step 5: Solve for x
    x = 1,000,525,903.52/36,035.16
  6. Step 6: Final answer
    x = 27,765.27

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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.