Home / 41,318.30-57,018.10-22,455.42

Finding the Fourth Proportional to 41,318.30, 57,018.10 and 22,455.42

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Solution

The fourth proportional to 41,318.30, 57,018.10 and 22,455.42 is: 30,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.30 : 57,018.10 = 22,455.42 : x
  2. Step 2: Convert to fraction form
    41,318.30/57,018.10 = 22,455.42/x
  3. Step 3: Cross multiply
    41,318.30x = 57,018.10 × 22,455.42
  4. Step 4: Simplify right side
    41,318.30x = 1,280,365,383.10
  5. Step 5: Solve for x
    x = 1,280,365,383.10/41,318.30
  6. Step 6: Final answer
    x = 30,987.85

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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.