Home / 40,135.37-55,424.04-30,046.29

Finding the Fourth Proportional to 40,135.37, 55,424.04 and 30,046.29

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Solution

The fourth proportional to 40,135.37, 55,424.04 and 30,046.29 is: 41,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.37 : 55,424.04 = 30,046.29 : x
  2. Step 2: Convert to fraction form
    40,135.37/55,424.04 = 30,046.29/x
  3. Step 3: Cross multiply
    40,135.37x = 55,424.04 × 30,046.29
  4. Step 4: Simplify right side
    40,135.37x = 1,665,286,628.58
  5. Step 5: Solve for x
    x = 1,665,286,628.58/40,135.37
  6. Step 6: Final answer
    x = 41,491.75

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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.