Home / 30,772.12-46,091.22-20,230.24

Finding the Fourth Proportional to 30,772.12, 46,091.22 and 20,230.24

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Solution

The fourth proportional to 30,772.12, 46,091.22 and 20,230.24 is: 30,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.12 : 46,091.22 = 20,230.24 : x
  2. Step 2: Convert to fraction form
    30,772.12/46,091.22 = 20,230.24/x
  3. Step 3: Cross multiply
    30,772.12x = 46,091.22 × 20,230.24
  4. Step 4: Simplify right side
    30,772.12x = 932,436,442.49
  5. Step 5: Solve for x
    x = 932,436,442.49/30,772.12
  6. Step 6: Final answer
    x = 30,301.34

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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.