Home / 36,834.13-50,831.11-20,921.01

Finding the Fourth Proportional to 36,834.13, 50,831.11 and 20,921.01

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Solution

The fourth proportional to 36,834.13, 50,831.11 and 20,921.01 is: 28,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.13 : 50,831.11 = 20,921.01 : x
  2. Step 2: Convert to fraction form
    36,834.13/50,831.11 = 20,921.01/x
  3. Step 3: Cross multiply
    36,834.13x = 50,831.11 × 20,921.01
  4. Step 4: Simplify right side
    36,834.13x = 1,063,438,160.62
  5. Step 5: Solve for x
    x = 1,063,438,160.62/36,834.13
  6. Step 6: Final answer
    x = 28,871.00

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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.