Home / 31,241.78-43,112.64-17,093.68

Finding the Fourth Proportional to 31,241.78, 43,112.64 and 17,093.68

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Solution

The fourth proportional to 31,241.78, 43,112.64 and 17,093.68 is: 23,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,241.78 : 43,112.64 = 17,093.68 : x
  2. Step 2: Convert to fraction form
    31,241.78/43,112.64 = 17,093.68/x
  3. Step 3: Cross multiply
    31,241.78x = 43,112.64 × 17,093.68
  4. Step 4: Simplify right side
    31,241.78x = 736,953,672.12
  5. Step 5: Solve for x
    x = 736,953,672.12/31,241.78
  6. Step 6: Final answer
    x = 23,588.72

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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.