Home / 40,170.20-55,434.32-22,264.82

Finding the Fourth Proportional to 40,170.20, 55,434.32 and 22,264.82

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Solution

The fourth proportional to 40,170.20, 55,434.32 and 22,264.82 is: 30,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.20 : 55,434.32 = 22,264.82 : x
  2. Step 2: Convert to fraction form
    40,170.20/55,434.32 = 22,264.82/x
  3. Step 3: Cross multiply
    40,170.20x = 55,434.32 × 22,264.82
  4. Step 4: Simplify right side
    40,170.20x = 1,234,234,768.13
  5. Step 5: Solve for x
    x = 1,234,234,768.13/40,170.20
  6. Step 6: Final answer
    x = 30,725.14

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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.