Home / 31,192.79-43,033.82-19,235.39

Finding the Fourth Proportional to 31,192.79, 43,033.82 and 19,235.39

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Solution

The fourth proportional to 31,192.79, 43,033.82 and 19,235.39 is: 26,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.79 : 43,033.82 = 19,235.39 : x
  2. Step 2: Convert to fraction form
    31,192.79/43,033.82 = 19,235.39/x
  3. Step 3: Cross multiply
    31,192.79x = 43,033.82 × 19,235.39
  4. Step 4: Simplify right side
    31,192.79x = 827,771,999.54
  5. Step 5: Solve for x
    x = 827,771,999.54/31,192.79
  6. Step 6: Final answer
    x = 26,537.29

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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.