Home / 36,905.40-55,366.20-11,941.20

Finding the Fourth Proportional to 36,905.40, 55,366.20 and 11,941.20

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Solution

The fourth proportional to 36,905.40, 55,366.20 and 11,941.20 is: 17,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.40 : 55,366.20 = 11,941.20 : x
  2. Step 2: Convert to fraction form
    36,905.40/55,366.20 = 11,941.20/x
  3. Step 3: Cross multiply
    36,905.40x = 55,366.20 × 11,941.20
  4. Step 4: Simplify right side
    36,905.40x = 661,138,867.44
  5. Step 5: Solve for x
    x = 661,138,867.44/36,905.40
  6. Step 6: Final answer
    x = 17,914.42

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1.5x scale

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.