Home / 40,371.75-55,665.36-27,631.08

Finding the Fourth Proportional to 40,371.75, 55,665.36 and 27,631.08

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Solution

The fourth proportional to 40,371.75, 55,665.36 and 27,631.08 is: 38,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.75 : 55,665.36 = 27,631.08 : x
  2. Step 2: Convert to fraction form
    40,371.75/55,665.36 = 27,631.08/x
  3. Step 3: Cross multiply
    40,371.75x = 55,665.36 × 27,631.08
  4. Step 4: Simplify right side
    40,371.75x = 1,538,094,015.39
  5. Step 5: Solve for x
    x = 1,538,094,015.39/40,371.75
  6. Step 6: Final answer
    x = 38,098.27

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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.