Home / 21,831.60-32,747.40-6,036.60

Finding the Fourth Proportional to 21,831.60, 32,747.40 and 6,036.60

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Solution

The fourth proportional to 21,831.60, 32,747.40 and 6,036.60 is: 9,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.60 : 32,747.40 = 6,036.60 : x
  2. Step 2: Convert to fraction form
    21,831.60/32,747.40 = 6,036.60/x
  3. Step 3: Cross multiply
    21,831.60x = 32,747.40 × 6,036.60
  4. Step 4: Simplify right side
    21,831.60x = 197,682,954.84
  5. Step 5: Solve for x
    x = 197,682,954.84/21,831.60
  6. Step 6: Final answer
    x = 9,054.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.