Home / 36,169.77-49,906.19-21,831.93

Finding the Fourth Proportional to 36,169.77, 49,906.19 and 21,831.93

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Solution

The fourth proportional to 36,169.77, 49,906.19 and 21,831.93 is: 30,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169.77 : 49,906.19 = 21,831.93 : x
  2. Step 2: Convert to fraction form
    36,169.77/49,906.19 = 21,831.93/x
  3. Step 3: Cross multiply
    36,169.77x = 49,906.19 × 21,831.93
  4. Step 4: Simplify right side
    36,169.77x = 1,089,548,501.23
  5. Step 5: Solve for x
    x = 1,089,548,501.23/36,169.77
  6. Step 6: Final answer
    x = 30,123.18

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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.