Home / 39,188.62-54,080.69-21,283.98

Finding the Fourth Proportional to 39,188.62, 54,080.69 and 21,283.98

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Solution

The fourth proportional to 39,188.62, 54,080.69 and 21,283.98 is: 29,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.62 : 54,080.69 = 21,283.98 : x
  2. Step 2: Convert to fraction form
    39,188.62/54,080.69 = 21,283.98/x
  3. Step 3: Cross multiply
    39,188.62x = 54,080.69 × 21,283.98
  4. Step 4: Simplify right side
    39,188.62x = 1,151,052,324.35
  5. Step 5: Solve for x
    x = 1,151,052,324.35/39,188.62
  6. Step 6: Final answer
    x = 29,372.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.