Home / 31,319.39-43,223.46-17,174.96

Finding the Fourth Proportional to 31,319.39, 43,223.46 and 17,174.96

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Solution

The fourth proportional to 31,319.39, 43,223.46 and 17,174.96 is: 23,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.39 : 43,223.46 = 17,174.96 : x
  2. Step 2: Convert to fraction form
    31,319.39/43,223.46 = 17,174.96/x
  3. Step 3: Cross multiply
    31,319.39x = 43,223.46 × 17,174.96
  4. Step 4: Simplify right side
    31,319.39x = 742,361,196.56
  5. Step 5: Solve for x
    x = 742,361,196.56/31,319.39
  6. Step 6: Final answer
    x = 23,702.93

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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.