Home / 36,106.12-49,831.08-20,191.46

Finding the Fourth Proportional to 36,106.12, 49,831.08 and 20,191.46

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Solution

The fourth proportional to 36,106.12, 49,831.08 and 20,191.46 is: 27,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,106.12 : 49,831.08 = 20,191.46 : x
  2. Step 2: Convert to fraction form
    36,106.12/49,831.08 = 20,191.46/x
  3. Step 3: Cross multiply
    36,106.12x = 49,831.08 × 20,191.46
  4. Step 4: Simplify right side
    36,106.12x = 1,006,162,258.58
  5. Step 5: Solve for x
    x = 1,006,162,258.58/36,106.12
  6. Step 6: Final answer
    x = 27,866.81

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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.