Home / 39,912.03-59,872.67-13,260.39

Finding the Fourth Proportional to 39,912.03, 59,872.67 and 13,260.39

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Solution

The fourth proportional to 39,912.03, 59,872.67 and 13,260.39 is: 19,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.03 : 59,872.67 = 13,260.39 : x
  2. Step 2: Convert to fraction form
    39,912.03/59,872.67 = 13,260.39/x
  3. Step 3: Cross multiply
    39,912.03x = 59,872.67 × 13,260.39
  4. Step 4: Simplify right side
    39,912.03x = 793,934,954.54
  5. Step 5: Solve for x
    x = 793,934,954.54/39,912.03
  6. Step 6: Final answer
    x = 19,892.12

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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.