Home / 31,318.52-43,219.37-17,171.06

Finding the Fourth Proportional to 31,318.52, 43,219.37 and 17,171.06

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Solution

The fourth proportional to 31,318.52, 43,219.37 and 17,171.06 is: 23,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.52 : 43,219.37 = 17,171.06 : x
  2. Step 2: Convert to fraction form
    31,318.52/43,219.37 = 17,171.06/x
  3. Step 3: Cross multiply
    31,318.52x = 43,219.37 × 17,171.06
  4. Step 4: Simplify right side
    31,318.52x = 742,122,222.26
  5. Step 5: Solve for x
    x = 742,122,222.26/31,318.52
  6. Step 6: Final answer
    x = 23,695.96

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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.