Home / 36,022.74-49,712.13-20,107.86

Finding the Fourth Proportional to 36,022.74, 49,712.13 and 20,107.86

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Solution

The fourth proportional to 36,022.74, 49,712.13 and 20,107.86 is: 27,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.74 : 49,712.13 = 20,107.86 : x
  2. Step 2: Convert to fraction form
    36,022.74/49,712.13 = 20,107.86/x
  3. Step 3: Cross multiply
    36,022.74x = 49,712.13 × 20,107.86
  4. Step 4: Simplify right side
    36,022.74x = 999,604,550.34
  5. Step 5: Solve for x
    x = 999,604,550.34/36,022.74
  6. Step 6: Final answer
    x = 27,749.26

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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.