Home / 55,974.55-83,961.83-18,540.40

Finding the Fourth Proportional to 55,974.55, 83,961.83 and 18,540.40

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Solution

The fourth proportional to 55,974.55, 83,961.83 and 18,540.40 is: 27,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.55 : 83,961.83 = 18,540.40 : x
  2. Step 2: Convert to fraction form
    55,974.55/83,961.83 = 18,540.40/x
  3. Step 3: Cross multiply
    55,974.55x = 83,961.83 × 18,540.40
  4. Step 4: Simplify right side
    55,974.55x = 1,556,685,820.23
  5. Step 5: Solve for x
    x = 1,556,685,820.23/55,974.55
  6. Step 6: Final answer
    x = 27,810.60

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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.