Home / 40,823.79-61,201.05-18,629.38

Finding the Fourth Proportional to 40,823.79, 61,201.05 and 18,629.38

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Solution

The fourth proportional to 40,823.79, 61,201.05 and 18,629.38 is: 27,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,823.79 : 61,201.05 = 18,629.38 : x
  2. Step 2: Convert to fraction form
    40,823.79/61,201.05 = 18,629.38/x
  3. Step 3: Cross multiply
    40,823.79x = 61,201.05 × 18,629.38
  4. Step 4: Simplify right side
    40,823.79x = 1,140,137,616.85
  5. Step 5: Solve for x
    x = 1,140,137,616.85/40,823.79
  6. Step 6: Final answer
    x = 27,928.26

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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.