Home / 55,222.97-82,834.65-21,940.88

Finding the Fourth Proportional to 55,222.97, 82,834.65 and 21,940.88

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Solution

The fourth proportional to 55,222.97, 82,834.65 and 21,940.88 is: 32,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.97 : 82,834.65 = 21,940.88 : x
  2. Step 2: Convert to fraction form
    55,222.97/82,834.65 = 21,940.88/x
  3. Step 3: Cross multiply
    55,222.97x = 82,834.65 × 21,940.88
  4. Step 4: Simplify right side
    55,222.97x = 1,817,464,701.32
  5. Step 5: Solve for x
    x = 1,817,464,701.32/55,222.97
  6. Step 6: Final answer
    x = 32,911.39

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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.