Home / 40,382.82-55,494.54-38,530.62

Finding the Fourth Proportional to 40,382.82, 55,494.54 and 38,530.62

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Solution

The fourth proportional to 40,382.82, 55,494.54 and 38,530.62 is: 52,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.82 : 55,494.54 = 38,530.62 : x
  2. Step 2: Convert to fraction form
    40,382.82/55,494.54 = 38,530.62/x
  3. Step 3: Cross multiply
    40,382.82x = 55,494.54 × 38,530.62
  4. Step 4: Simplify right side
    40,382.82x = 2,138,239,032.81
  5. Step 5: Solve for x
    x = 2,138,239,032.81/40,382.82
  6. Step 6: Final answer
    x = 52,949.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.