Home / 36,697.14-50,643.24-20,781.25

Finding the Fourth Proportional to 36,697.14, 50,643.24 and 20,781.25

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Solution

The fourth proportional to 36,697.14, 50,643.24 and 20,781.25 is: 28,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.14 : 50,643.24 = 20,781.25 : x
  2. Step 2: Convert to fraction form
    36,697.14/50,643.24 = 20,781.25/x
  3. Step 3: Cross multiply
    36,697.14x = 50,643.24 × 20,781.25
  4. Step 4: Simplify right side
    36,697.14x = 1,052,429,831.25
  5. Step 5: Solve for x
    x = 1,052,429,831.25/36,697.14
  6. Step 6: Final answer
    x = 28,678.80

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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.