Home / 31,542.72-43,528.92-17,202.58

Finding the Fourth Proportional to 31,542.72, 43,528.92 and 17,202.58

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Solution

The fourth proportional to 31,542.72, 43,528.92 and 17,202.58 is: 23,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.72 : 43,528.92 = 17,202.58 : x
  2. Step 2: Convert to fraction form
    31,542.72/43,528.92 = 17,202.58/x
  3. Step 3: Cross multiply
    31,542.72x = 43,528.92 × 17,202.58
  4. Step 4: Simplify right side
    31,542.72x = 748,809,728.61
  5. Step 5: Solve for x
    x = 748,809,728.61/31,542.72
  6. Step 6: Final answer
    x = 23,739.54

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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.