Home / 35,229.15-48,616.63-20,123.81

Finding the Fourth Proportional to 35,229.15, 48,616.63 and 20,123.81

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Solution

The fourth proportional to 35,229.15, 48,616.63 and 20,123.81 is: 27,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.15 : 48,616.63 = 20,123.81 : x
  2. Step 2: Convert to fraction form
    35,229.15/48,616.63 = 20,123.81/x
  3. Step 3: Cross multiply
    35,229.15x = 48,616.63 × 20,123.81
  4. Step 4: Simplify right side
    35,229.15x = 978,351,724.34
  5. Step 5: Solve for x
    x = 978,351,724.34/35,229.15
  6. Step 6: Final answer
    x = 27,771.09

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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.