Home / 39,899.88-59,858.56-11,822.14

Finding the Fourth Proportional to 39,899.88, 59,858.56 and 11,822.14

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Solution

The fourth proportional to 39,899.88, 59,858.56 and 11,822.14 is: 17,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.88 : 59,858.56 = 11,822.14 : x
  2. Step 2: Convert to fraction form
    39,899.88/59,858.56 = 11,822.14/x
  3. Step 3: Cross multiply
    39,899.88x = 59,858.56 × 11,822.14
  4. Step 4: Simplify right side
    39,899.88x = 707,655,977.23
  5. Step 5: Solve for x
    x = 707,655,977.23/39,899.88
  6. Step 6: Final answer
    x = 17,735.79

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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.