Home / 39,208.51-58,755.35-19,447.61

Finding the Fourth Proportional to 39,208.51, 58,755.35 and 19,447.61

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Solution

The fourth proportional to 39,208.51, 58,755.35 and 19,447.61 is: 29,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,208.51 : 58,755.35 = 19,447.61 : x
  2. Step 2: Convert to fraction form
    39,208.51/58,755.35 = 19,447.61/x
  3. Step 3: Cross multiply
    39,208.51x = 58,755.35 × 19,447.61
  4. Step 4: Simplify right side
    39,208.51x = 1,142,651,132.21
  5. Step 5: Solve for x
    x = 1,142,651,132.21/39,208.51
  6. Step 6: Final answer
    x = 29,142.94

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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.