Home / 36,109.68-49,831.18-20,194.19

Finding the Fourth Proportional to 36,109.68, 49,831.18 and 20,194.19

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Solution

The fourth proportional to 36,109.68, 49,831.18 and 20,194.19 is: 27,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.68 : 49,831.18 = 20,194.19 : x
  2. Step 2: Convert to fraction form
    36,109.68/49,831.18 = 20,194.19/x
  3. Step 3: Cross multiply
    36,109.68x = 49,831.18 × 20,194.19
  4. Step 4: Simplify right side
    36,109.68x = 1,006,300,317.66
  5. Step 5: Solve for x
    x = 1,006,300,317.66/36,109.68
  6. Step 6: Final answer
    x = 27,867.89

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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.