Home / 69,388.18-104,012.85-31,975.27

Finding the Fourth Proportional to 69,388.18, 104,012.85 and 31,975.27

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Solution

The fourth proportional to 69,388.18, 104,012.85 and 31,975.27 is: 47,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.18 : 104,012.85 = 31,975.27 : x
  2. Step 2: Convert to fraction form
    69,388.18/104,012.85 = 31,975.27/x
  3. Step 3: Cross multiply
    69,388.18x = 104,012.85 × 31,975.27
  4. Step 4: Simplify right side
    69,388.18x = 3,325,838,962.22
  5. Step 5: Solve for x
    x = 3,325,838,962.22/69,388.18
  6. Step 6: Final answer
    x = 47,930.92

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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.