Home / 40,079.36-55,313.88-25,754.60

Finding the Fourth Proportional to 40,079.36, 55,313.88 and 25,754.60

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Solution

The fourth proportional to 40,079.36, 55,313.88 and 25,754.60 is: 35,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.36 : 55,313.88 = 25,754.60 : x
  2. Step 2: Convert to fraction form
    40,079.36/55,313.88 = 25,754.60/x
  3. Step 3: Cross multiply
    40,079.36x = 55,313.88 × 25,754.60
  4. Step 4: Simplify right side
    40,079.36x = 1,424,586,853.85
  5. Step 5: Solve for x
    x = 1,424,586,853.85/40,079.36
  6. Step 6: Final answer
    x = 35,544.15

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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.