Home / 39,948.80-55,129.36-22,954.16

Finding the Fourth Proportional to 39,948.80, 55,129.36 and 22,954.16

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Solution

The fourth proportional to 39,948.80, 55,129.36 and 22,954.16 is: 31,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.80 : 55,129.36 = 22,954.16 : x
  2. Step 2: Convert to fraction form
    39,948.80/55,129.36 = 22,954.16/x
  3. Step 3: Cross multiply
    39,948.80x = 55,129.36 × 22,954.16
  4. Step 4: Simplify right side
    39,948.80x = 1,265,448,150.14
  5. Step 5: Solve for x
    x = 1,265,448,150.14/39,948.80
  6. Step 6: Final answer
    x = 31,676.75

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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.