Home / 39,761.49-59,649.54-13,109.04

Finding the Fourth Proportional to 39,761.49, 59,649.54 and 13,109.04

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Solution

The fourth proportional to 39,761.49, 59,649.54 and 13,109.04 is: 19,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.49 : 59,649.54 = 13,109.04 : x
  2. Step 2: Convert to fraction form
    39,761.49/59,649.54 = 13,109.04/x
  3. Step 3: Cross multiply
    39,761.49x = 59,649.54 × 13,109.04
  4. Step 4: Simplify right side
    39,761.49x = 781,948,205.84
  5. Step 5: Solve for x
    x = 781,948,205.84/39,761.49
  6. Step 6: Final answer
    x = 19,665.97

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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.