Home / 55,266.54-82,838.25-21,977.70

Finding the Fourth Proportional to 55,266.54, 82,838.25 and 21,977.70

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Solution

The fourth proportional to 55,266.54, 82,838.25 and 21,977.70 is: 32,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.54 : 82,838.25 = 21,977.70 : x
  2. Step 2: Convert to fraction form
    55,266.54/82,838.25 = 21,977.70/x
  3. Step 3: Cross multiply
    55,266.54x = 82,838.25 × 21,977.70
  4. Step 4: Simplify right side
    55,266.54x = 1,820,594,207.03
  5. Step 5: Solve for x
    x = 1,820,594,207.03/55,266.54
  6. Step 6: Final answer
    x = 32,942.07

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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.