Home / 36,554.20-54,831.30-21,808.60

Finding the Fourth Proportional to 36,554.20, 54,831.30 and 21,808.60

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Solution

The fourth proportional to 36,554.20, 54,831.30 and 21,808.60 is: 32,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.20 : 54,831.30 = 21,808.60 : x
  2. Step 2: Convert to fraction form
    36,554.20/54,831.30 = 21,808.60/x
  3. Step 3: Cross multiply
    36,554.20x = 54,831.30 × 21,808.60
  4. Step 4: Simplify right side
    36,554.20x = 1,195,793,889.18
  5. Step 5: Solve for x
    x = 1,195,793,889.18/36,554.20
  6. Step 6: Final answer
    x = 32,712.90

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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.