Home / 29,102.59-40,163.34-19,039.66

Finding the Fourth Proportional to 29,102.59, 40,163.34 and 19,039.66

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Solution

The fourth proportional to 29,102.59, 40,163.34 and 19,039.66 is: 26,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.59 : 40,163.34 = 19,039.66 : x
  2. Step 2: Convert to fraction form
    29,102.59/40,163.34 = 19,039.66/x
  3. Step 3: Cross multiply
    29,102.59x = 40,163.34 × 19,039.66
  4. Step 4: Simplify right side
    29,102.59x = 764,696,309.05
  5. Step 5: Solve for x
    x = 764,696,309.05/29,102.59
  6. Step 6: Final answer
    x = 26,275.88

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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.