Home / 36,930.60-55,321.38-31,283.64

Finding the Fourth Proportional to 36,930.60, 55,321.38 and 31,283.64

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Solution

The fourth proportional to 36,930.60, 55,321.38 and 31,283.64 is: 46,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.60 : 55,321.38 = 31,283.64 : x
  2. Step 2: Convert to fraction form
    36,930.60/55,321.38 = 31,283.64/x
  3. Step 3: Cross multiply
    36,930.60x = 55,321.38 × 31,283.64
  4. Step 4: Simplify right side
    36,930.60x = 1,730,654,136.22
  5. Step 5: Solve for x
    x = 1,730,654,136.22/36,930.60
  6. Step 6: Final answer
    x = 46,862.33

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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.