Home / 40,515.72-55,896.82-25,409.02

Finding the Fourth Proportional to 40,515.72, 55,896.82 and 25,409.02

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Solution

The fourth proportional to 40,515.72, 55,896.82 and 25,409.02 is: 35,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.72 : 55,896.82 = 25,409.02 : x
  2. Step 2: Convert to fraction form
    40,515.72/55,896.82 = 25,409.02/x
  3. Step 3: Cross multiply
    40,515.72x = 55,896.82 × 25,409.02
  4. Step 4: Simplify right side
    40,515.72x = 1,420,283,417.32
  5. Step 5: Solve for x
    x = 1,420,283,417.32/40,515.72
  6. Step 6: Final answer
    x = 35,055.12

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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.