Home / 35,235.21-48,622.72-20,124.90

Finding the Fourth Proportional to 35,235.21, 48,622.72 and 20,124.90

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Solution

The fourth proportional to 35,235.21, 48,622.72 and 20,124.90 is: 27,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235.21 : 48,622.72 = 20,124.90 : x
  2. Step 2: Convert to fraction form
    35,235.21/48,622.72 = 20,124.90/x
  3. Step 3: Cross multiply
    35,235.21x = 48,622.72 × 20,124.90
  4. Step 4: Simplify right side
    35,235.21x = 978,527,377.73
  5. Step 5: Solve for x
    x = 978,527,377.73/35,235.21
  6. Step 6: Final answer
    x = 27,771.29

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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.