Home / 55,020.25-82,530.51-19,959.94

Finding the Fourth Proportional to 55,020.25, 82,530.51 and 19,959.94

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Solution

The fourth proportional to 55,020.25, 82,530.51 and 19,959.94 is: 29,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.25 : 82,530.51 = 19,959.94 : x
  2. Step 2: Convert to fraction form
    55,020.25/82,530.51 = 19,959.94/x
  3. Step 3: Cross multiply
    55,020.25x = 82,530.51 × 19,959.94
  4. Step 4: Simplify right side
    55,020.25x = 1,647,304,027.77
  5. Step 5: Solve for x
    x = 1,647,304,027.77/55,020.25
  6. Step 6: Final answer
    x = 29,939.96

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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.