Home / 31,324.76-43,228.32-17,177.36

Finding the Fourth Proportional to 31,324.76, 43,228.32 and 17,177.36

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Solution

The fourth proportional to 31,324.76, 43,228.32 and 17,177.36 is: 23,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.76 : 43,228.32 = 17,177.36 : x
  2. Step 2: Convert to fraction form
    31,324.76/43,228.32 = 17,177.36/x
  3. Step 3: Cross multiply
    31,324.76x = 43,228.32 × 17,177.36
  4. Step 4: Simplify right side
    31,324.76x = 742,548,414.84
  5. Step 5: Solve for x
    x = 742,548,414.84/31,324.76
  6. Step 6: Final answer
    x = 23,704.84

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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.