Home / 39,931.29-55,122.89-25,791.03

Finding the Fourth Proportional to 39,931.29, 55,122.89 and 25,791.03

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Solution

The fourth proportional to 39,931.29, 55,122.89 and 25,791.03 is: 35,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.29 : 55,122.89 = 25,791.03 : x
  2. Step 2: Convert to fraction form
    39,931.29/55,122.89 = 25,791.03/x
  3. Step 3: Cross multiply
    39,931.29x = 55,122.89 × 25,791.03
  4. Step 4: Simplify right side
    39,931.29x = 1,421,676,109.68
  5. Step 5: Solve for x
    x = 1,421,676,109.68/39,931.29
  6. Step 6: Final answer
    x = 35,603.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.