Home / 39,954.38-59,914.16-21,229.92

Finding the Fourth Proportional to 39,954.38, 59,914.16 and 21,229.92

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Solution

The fourth proportional to 39,954.38, 59,914.16 and 21,229.92 is: 31,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.38 : 59,914.16 = 21,229.92 : x
  2. Step 2: Convert to fraction form
    39,954.38/59,914.16 = 21,229.92/x
  3. Step 3: Cross multiply
    39,954.38x = 59,914.16 × 21,229.92
  4. Step 4: Simplify right side
    39,954.38x = 1,271,972,823.67
  5. Step 5: Solve for x
    x = 1,271,972,823.67/39,954.38
  6. Step 6: Final answer
    x = 31,835.63

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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.