Home / 29,202.28-40,258.42-20,234.36

Finding the Fourth Proportional to 29,202.28, 40,258.42 and 20,234.36

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Solution

The fourth proportional to 29,202.28, 40,258.42 and 20,234.36 is: 27,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.28 : 40,258.42 = 20,234.36 : x
  2. Step 2: Convert to fraction form
    29,202.28/40,258.42 = 20,234.36/x
  3. Step 3: Cross multiply
    29,202.28x = 40,258.42 × 20,234.36
  4. Step 4: Simplify right side
    29,202.28x = 814,603,363.31
  5. Step 5: Solve for x
    x = 814,603,363.31/29,202.28
  6. Step 6: Final answer
    x = 27,895.20

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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.