Home / 31,321.16-43,223.16-17,174.36

Finding the Fourth Proportional to 31,321.16, 43,223.16 and 17,174.36

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Solution

The fourth proportional to 31,321.16, 43,223.16 and 17,174.36 is: 23,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.16 : 43,223.16 = 17,174.36 : x
  2. Step 2: Convert to fraction form
    31,321.16/43,223.16 = 17,174.36/x
  3. Step 3: Cross multiply
    31,321.16x = 43,223.16 × 17,174.36
  4. Step 4: Simplify right side
    31,321.16x = 742,330,110.18
  5. Step 5: Solve for x
    x = 742,330,110.18/31,321.16
  6. Step 6: Final answer
    x = 23,700.59

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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.