Home / 40,174.96-55,479.20-25,859.76

Finding the Fourth Proportional to 40,174.96, 55,479.20 and 25,859.76

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Solution

The fourth proportional to 40,174.96, 55,479.20 and 25,859.76 is: 35,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.96 : 55,479.20 = 25,859.76 : x
  2. Step 2: Convert to fraction form
    40,174.96/55,479.20 = 25,859.76/x
  3. Step 3: Cross multiply
    40,174.96x = 55,479.20 × 25,859.76
  4. Step 4: Simplify right side
    40,174.96x = 1,434,678,796.99
  5. Step 5: Solve for x
    x = 1,434,678,796.99/40,174.96
  6. Step 6: Final answer
    x = 35,710.77

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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.