Home / 55,128.36-75,995.10-33,891.24

Finding the Fourth Proportional to 55,128.36, 75,995.10 and 33,891.24

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Solution

The fourth proportional to 55,128.36, 75,995.10 and 33,891.24 is: 46,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.36 : 75,995.10 = 33,891.24 : x
  2. Step 2: Convert to fraction form
    55,128.36/75,995.10 = 33,891.24/x
  3. Step 3: Cross multiply
    55,128.36x = 75,995.10 × 33,891.24
  4. Step 4: Simplify right side
    55,128.36x = 2,575,568,172.92
  5. Step 5: Solve for x
    x = 2,575,568,172.92/55,128.36
  6. Step 6: Final answer
    x = 46,719.48

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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.