Home / 40,141.12-55,432.26-25,825.86

Finding the Fourth Proportional to 40,141.12, 55,432.26 and 25,825.86

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Solution

The fourth proportional to 40,141.12, 55,432.26 and 25,825.86 is: 35,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.12 : 55,432.26 = 25,825.86 : x
  2. Step 2: Convert to fraction form
    40,141.12/55,432.26 = 25,825.86/x
  3. Step 3: Cross multiply
    40,141.12x = 55,432.26 × 25,825.86
  4. Step 4: Simplify right side
    40,141.12x = 1,431,585,786.24
  5. Step 5: Solve for x
    x = 1,431,585,786.24/40,141.12
  6. Step 6: Final answer
    x = 35,663.82

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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.