Home / 37,328.80-55,831.20-33,408.40

Finding the Fourth Proportional to 37,328.80, 55,831.20 and 33,408.40

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Solution

The fourth proportional to 37,328.80, 55,831.20 and 33,408.40 is: 49,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.80 : 55,831.20 = 33,408.40 : x
  2. Step 2: Convert to fraction form
    37,328.80/55,831.20 = 33,408.40/x
  3. Step 3: Cross multiply
    37,328.80x = 55,831.20 × 33,408.40
  4. Step 4: Simplify right side
    37,328.80x = 1,865,231,062.08
  5. Step 5: Solve for x
    x = 1,865,231,062.08/37,328.80
  6. Step 6: Final answer
    x = 49,967.61

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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.