Home / 34,233.80-51,383.10-21,111.80

Finding the Fourth Proportional to 34,233.80, 51,383.10 and 21,111.80

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Solution

The fourth proportional to 34,233.80, 51,383.10 and 21,111.80 is: 31,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,233.80 : 51,383.10 = 21,111.80 : x
  2. Step 2: Convert to fraction form
    34,233.80/51,383.10 = 21,111.80/x
  3. Step 3: Cross multiply
    34,233.80x = 51,383.10 × 21,111.80
  4. Step 4: Simplify right side
    34,233.80x = 1,084,789,730.58
  5. Step 5: Solve for x
    x = 1,084,789,730.58/34,233.80
  6. Step 6: Final answer
    x = 31,687.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.