Home / 40,275-55,581.06-22,371.36

Finding the Fourth Proportional to 40,275, 55,581.06 and 22,371.36

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Solution

The fourth proportional to 40,275, 55,581.06 and 22,371.36 is: 30,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275 : 55,581.06 = 22,371.36 : x
  2. Step 2: Convert to fraction form
    40,275/55,581.06 = 22,371.36/x
  3. Step 3: Cross multiply
    40,275x = 55,581.06 × 22,371.36
  4. Step 4: Simplify right side
    40,275x = 1,243,423,902.44
  5. Step 5: Solve for x
    x = 1,243,423,902.44/40,275
  6. Step 6: Final answer
    x = 30,873.34

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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.