Home / 35,233.20-48,622.19-20,127.87

Finding the Fourth Proportional to 35,233.20, 48,622.19 and 20,127.87

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Solution

The fourth proportional to 35,233.20, 48,622.19 and 20,127.87 is: 27,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,233.20 : 48,622.19 = 20,127.87 : x
  2. Step 2: Convert to fraction form
    35,233.20/48,622.19 = 20,127.87/x
  3. Step 3: Cross multiply
    35,233.20x = 48,622.19 × 20,127.87
  4. Step 4: Simplify right side
    35,233.20x = 978,661,018.80
  5. Step 5: Solve for x
    x = 978,661,018.80/35,233.20
  6. Step 6: Final answer
    x = 27,776.67

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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.