Home / 40,137.66-55,371.60-25,995.06

Finding the Fourth Proportional to 40,137.66, 55,371.60 and 25,995.06

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Solution

The fourth proportional to 40,137.66, 55,371.60 and 25,995.06 is: 35,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.66 : 55,371.60 = 25,995.06 : x
  2. Step 2: Convert to fraction form
    40,137.66/55,371.60 = 25,995.06/x
  3. Step 3: Cross multiply
    40,137.66x = 55,371.60 × 25,995.06
  4. Step 4: Simplify right side
    40,137.66x = 1,439,388,064.30
  5. Step 5: Solve for x
    x = 1,439,388,064.30/40,137.66
  6. Step 6: Final answer
    x = 35,861.28

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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.