Home / 39,887.48-59,839.52-11,805.32

Finding the Fourth Proportional to 39,887.48, 59,839.52 and 11,805.32

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Solution

The fourth proportional to 39,887.48, 59,839.52 and 11,805.32 is: 17,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.48 : 59,839.52 = 11,805.32 : x
  2. Step 2: Convert to fraction form
    39,887.48/59,839.52 = 11,805.32/x
  3. Step 3: Cross multiply
    39,887.48x = 59,839.52 × 11,805.32
  4. Step 4: Simplify right side
    39,887.48x = 706,424,682.25
  5. Step 5: Solve for x
    x = 706,424,682.25/39,887.48
  6. Step 6: Final answer
    x = 17,710.44

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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.