Home / 40,121.76-55,324.80-27,376.32

Finding the Fourth Proportional to 40,121.76, 55,324.80 and 27,376.32

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Solution

The fourth proportional to 40,121.76, 55,324.80 and 27,376.32 is: 37,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.76 : 55,324.80 = 27,376.32 : x
  2. Step 2: Convert to fraction form
    40,121.76/55,324.80 = 27,376.32/x
  3. Step 3: Cross multiply
    40,121.76x = 55,324.80 × 27,376.32
  4. Step 4: Simplify right side
    40,121.76x = 1,514,589,428.74
  5. Step 5: Solve for x
    x = 1,514,589,428.74/40,121.76
  6. Step 6: Final answer
    x = 37,749.83

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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.