Home / 29,212.60-40,318.64-27,881.43

Finding the Fourth Proportional to 29,212.60, 40,318.64 and 27,881.43

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Solution

The fourth proportional to 29,212.60, 40,318.64 and 27,881.43 is: 38,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.60 : 40,318.64 = 27,881.43 : x
  2. Step 2: Convert to fraction form
    29,212.60/40,318.64 = 27,881.43/x
  3. Step 3: Cross multiply
    29,212.60x = 40,318.64 × 27,881.43
  4. Step 4: Simplify right side
    29,212.60x = 1,124,141,338.86
  5. Step 5: Solve for x
    x = 1,124,141,338.86/29,212.60
  6. Step 6: Final answer
    x = 38,481.39

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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.