Home / 36,168.51-49,911.37-20,035.15

Finding the Fourth Proportional to 36,168.51, 49,911.37 and 20,035.15

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Solution

The fourth proportional to 36,168.51, 49,911.37 and 20,035.15 is: 27,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.51 : 49,911.37 = 20,035.15 : x
  2. Step 2: Convert to fraction form
    36,168.51/49,911.37 = 20,035.15/x
  3. Step 3: Cross multiply
    36,168.51x = 49,911.37 × 20,035.15
  4. Step 4: Simplify right side
    36,168.51x = 999,981,784.66
  5. Step 5: Solve for x
    x = 999,981,784.66/36,168.51
  6. Step 6: Final answer
    x = 27,647.86

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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.