Home / 40,243.36-55,536.06-25,144.78

Finding the Fourth Proportional to 40,243.36, 55,536.06 and 25,144.78

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Solution

The fourth proportional to 40,243.36, 55,536.06 and 25,144.78 is: 34,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.36 : 55,536.06 = 25,144.78 : x
  2. Step 2: Convert to fraction form
    40,243.36/55,536.06 = 25,144.78/x
  3. Step 3: Cross multiply
    40,243.36x = 55,536.06 × 25,144.78
  4. Step 4: Simplify right side
    40,243.36x = 1,396,441,858.19
  5. Step 5: Solve for x
    x = 1,396,441,858.19/40,243.36
  6. Step 6: Final answer
    x = 34,699.93

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1.5x scale

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.