Home / 55,022.46-82,566.48-19,964.85

Finding the Fourth Proportional to 55,022.46, 82,566.48 and 19,964.85

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Solution

The fourth proportional to 55,022.46, 82,566.48 and 19,964.85 is: 29,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.46 : 82,566.48 = 19,964.85 : x
  2. Step 2: Convert to fraction form
    55,022.46/82,566.48 = 19,964.85/x
  3. Step 3: Cross multiply
    55,022.46x = 82,566.48 × 19,964.85
  4. Step 4: Simplify right side
    55,022.46x = 1,648,427,388.23
  5. Step 5: Solve for x
    x = 1,648,427,388.23/55,022.46
  6. Step 6: Final answer
    x = 29,959.17

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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.