Home / 40,906.53-61,358.04-12,825.90

Finding the Fourth Proportional to 40,906.53, 61,358.04 and 12,825.90

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Solution

The fourth proportional to 40,906.53, 61,358.04 and 12,825.90 is: 19,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.53 : 61,358.04 = 12,825.90 : x
  2. Step 2: Convert to fraction form
    40,906.53/61,358.04 = 12,825.90/x
  3. Step 3: Cross multiply
    40,906.53x = 61,358.04 × 12,825.90
  4. Step 4: Simplify right side
    40,906.53x = 786,972,085.24
  5. Step 5: Solve for x
    x = 786,972,085.24/40,906.53
  6. Step 6: Final answer
    x = 19,238.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.