Home / 39,918.22-59,889.97-11,838.39

Finding the Fourth Proportional to 39,918.22, 59,889.97 and 11,838.39

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Solution

The fourth proportional to 39,918.22, 59,889.97 and 11,838.39 is: 17,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.22 : 59,889.97 = 11,838.39 : x
  2. Step 2: Convert to fraction form
    39,918.22/59,889.97 = 11,838.39/x
  3. Step 3: Cross multiply
    39,918.22x = 59,889.97 × 11,838.39
  4. Step 4: Simplify right side
    39,918.22x = 709,000,848.17
  5. Step 5: Solve for x
    x = 709,000,848.17/39,918.22
  6. Step 6: Final answer
    x = 17,761.34

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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.