Home / 31,493.06-43,458.45-17,345.91

Finding the Fourth Proportional to 31,493.06, 43,458.45 and 17,345.91

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Solution

The fourth proportional to 31,493.06, 43,458.45 and 17,345.91 is: 23,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.06 : 43,458.45 = 17,345.91 : x
  2. Step 2: Convert to fraction form
    31,493.06/43,458.45 = 17,345.91/x
  3. Step 3: Cross multiply
    31,493.06x = 43,458.45 × 17,345.91
  4. Step 4: Simplify right side
    31,493.06x = 753,826,362.44
  5. Step 5: Solve for x
    x = 753,826,362.44/31,493.06
  6. Step 6: Final answer
    x = 23,936.27

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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.