Home / 36,948.54-55,431.56-11,988.60

Finding the Fourth Proportional to 36,948.54, 55,431.56 and 11,988.60

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Solution

The fourth proportional to 36,948.54, 55,431.56 and 11,988.60 is: 17,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.54 : 55,431.56 = 11,988.60 : x
  2. Step 2: Convert to fraction form
    36,948.54/55,431.56 = 11,988.60/x
  3. Step 3: Cross multiply
    36,948.54x = 55,431.56 × 11,988.60
  4. Step 4: Simplify right side
    36,948.54x = 664,546,800.22
  5. Step 5: Solve for x
    x = 664,546,800.22/36,948.54
  6. Step 6: Final answer
    x = 17,985.74

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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.