Home / 35,425.74-48,891.42-20,319.24

Finding the Fourth Proportional to 35,425.74, 48,891.42 and 20,319.24

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Solution

The fourth proportional to 35,425.74, 48,891.42 and 20,319.24 is: 28,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.74 : 48,891.42 = 20,319.24 : x
  2. Step 2: Convert to fraction form
    35,425.74/48,891.42 = 20,319.24/x
  3. Step 3: Cross multiply
    35,425.74x = 48,891.42 × 20,319.24
  4. Step 4: Simplify right side
    35,425.74x = 993,436,496.92
  5. Step 5: Solve for x
    x = 993,436,496.92/35,425.74
  6. Step 6: Final answer
    x = 28,042.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.