Home / 40,155.82-55,411.09-23,161.62

Finding the Fourth Proportional to 40,155.82, 55,411.09 and 23,161.62

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Solution

The fourth proportional to 40,155.82, 55,411.09 and 23,161.62 is: 31,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.82 : 55,411.09 = 23,161.62 : x
  2. Step 2: Convert to fraction form
    40,155.82/55,411.09 = 23,161.62/x
  3. Step 3: Cross multiply
    40,155.82x = 55,411.09 × 23,161.62
  4. Step 4: Simplify right side
    40,155.82x = 1,283,410,610.37
  5. Step 5: Solve for x
    x = 1,283,410,610.37/40,155.82
  6. Step 6: Final answer
    x = 31,960.76

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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.