Home / 39,943.72-59,918.94-13,650.28

Finding the Fourth Proportional to 39,943.72, 59,918.94 and 13,650.28

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Solution

The fourth proportional to 39,943.72, 59,918.94 and 13,650.28 is: 20,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.72 : 59,918.94 = 13,650.28 : x
  2. Step 2: Convert to fraction form
    39,943.72/59,918.94 = 13,650.28/x
  3. Step 3: Cross multiply
    39,943.72x = 59,918.94 × 13,650.28
  4. Step 4: Simplify right side
    39,943.72x = 817,910,308.30
  5. Step 5: Solve for x
    x = 817,910,308.30/39,943.72
  6. Step 6: Final answer
    x = 20,476.57

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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.