Home / 42,265.67-63,399.11-20,081.32

Finding the Fourth Proportional to 42,265.67, 63,399.11 and 20,081.32

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Solution

The fourth proportional to 42,265.67, 63,399.11 and 20,081.32 is: 30,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,265.67 : 63,399.11 = 20,081.32 : x
  2. Step 2: Convert to fraction form
    42,265.67/63,399.11 = 20,081.32/x
  3. Step 3: Cross multiply
    42,265.67x = 63,399.11 × 20,081.32
  4. Step 4: Simplify right side
    42,265.67x = 1,273,137,556.72
  5. Step 5: Solve for x
    x = 1,273,137,556.72/42,265.67
  6. Step 6: Final answer
    x = 30,122.26

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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.