Home / 39,608.78-59,375.93-13,295.07

Finding the Fourth Proportional to 39,608.78, 59,375.93 and 13,295.07

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Solution

The fourth proportional to 39,608.78, 59,375.93 and 13,295.07 is: 19,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,608.78 : 59,375.93 = 13,295.07 : x
  2. Step 2: Convert to fraction form
    39,608.78/59,375.93 = 13,295.07/x
  3. Step 3: Cross multiply
    39,608.78x = 59,375.93 × 13,295.07
  4. Step 4: Simplify right side
    39,608.78x = 789,407,079.19
  5. Step 5: Solve for x
    x = 789,407,079.19/39,608.78
  6. Step 6: Final answer
    x = 19,930.11

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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.