Home / 40,026.26-55,232.42-22,118.38

Finding the Fourth Proportional to 40,026.26, 55,232.42 and 22,118.38

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Solution

The fourth proportional to 40,026.26, 55,232.42 and 22,118.38 is: 30,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.26 : 55,232.42 = 22,118.38 : x
  2. Step 2: Convert to fraction form
    40,026.26/55,232.42 = 22,118.38/x
  3. Step 3: Cross multiply
    40,026.26x = 55,232.42 × 22,118.38
  4. Step 4: Simplify right side
    40,026.26x = 1,221,651,405.21
  5. Step 5: Solve for x
    x = 1,221,651,405.21/40,026.26
  6. Step 6: Final answer
    x = 30,521.25

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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.