Home / 31,419.66-43,318.89-25,733.46

Finding the Fourth Proportional to 31,419.66, 43,318.89 and 25,733.46

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Solution

The fourth proportional to 31,419.66, 43,318.89 and 25,733.46 is: 35,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.66 : 43,318.89 = 25,733.46 : x
  2. Step 2: Convert to fraction form
    31,419.66/43,318.89 = 25,733.46/x
  3. Step 3: Cross multiply
    31,419.66x = 43,318.89 × 25,733.46
  4. Step 4: Simplify right side
    31,419.66x = 1,114,744,923.06
  5. Step 5: Solve for x
    x = 1,114,744,923.06/31,419.66
  6. Step 6: Final answer
    x = 35,479.22

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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.