Home / 40,159.26-55,415.28-22,249.76

Finding the Fourth Proportional to 40,159.26, 55,415.28 and 22,249.76

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Solution

The fourth proportional to 40,159.26, 55,415.28 and 22,249.76 is: 30,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.26 : 55,415.28 = 22,249.76 : x
  2. Step 2: Convert to fraction form
    40,159.26/55,415.28 = 22,249.76/x
  3. Step 3: Cross multiply
    40,159.26x = 55,415.28 × 22,249.76
  4. Step 4: Simplify right side
    40,159.26x = 1,232,976,680.33
  5. Step 5: Solve for x
    x = 1,232,976,680.33/40,159.26
  6. Step 6: Final answer
    x = 30,702.18

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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.