Home / 35,228.90-48,616.28-20,123.56

Finding the Fourth Proportional to 35,228.90, 48,616.28 and 20,123.56

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Solution

The fourth proportional to 35,228.90, 48,616.28 and 20,123.56 is: 27,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.90 : 48,616.28 = 20,123.56 : x
  2. Step 2: Convert to fraction form
    35,228.90/48,616.28 = 20,123.56/x
  3. Step 3: Cross multiply
    35,228.90x = 48,616.28 × 20,123.56
  4. Step 4: Simplify right side
    35,228.90x = 978,332,627.56
  5. Step 5: Solve for x
    x = 978,332,627.56/35,228.90
  6. Step 6: Final answer
    x = 27,770.74

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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.