Home / 36,701.60-55,052.40-21,149.60

Finding the Fourth Proportional to 36,701.60, 55,052.40 and 21,149.60

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Solution

The fourth proportional to 36,701.60, 55,052.40 and 21,149.60 is: 31,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.60 : 55,052.40 = 21,149.60 : x
  2. Step 2: Convert to fraction form
    36,701.60/55,052.40 = 21,149.60/x
  3. Step 3: Cross multiply
    36,701.60x = 55,052.40 × 21,149.60
  4. Step 4: Simplify right side
    36,701.60x = 1,164,336,239.04
  5. Step 5: Solve for x
    x = 1,164,336,239.04/36,701.60
  6. Step 6: Final answer
    x = 31,724.40

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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.