Home / 55,260.54-82,829.25-21,971.70

Finding the Fourth Proportional to 55,260.54, 82,829.25 and 21,971.70

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Solution

The fourth proportional to 55,260.54, 82,829.25 and 21,971.70 is: 32,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.54 : 82,829.25 = 21,971.70 : x
  2. Step 2: Convert to fraction form
    55,260.54/82,829.25 = 21,971.70/x
  3. Step 3: Cross multiply
    55,260.54x = 82,829.25 × 21,971.70
  4. Step 4: Simplify right side
    55,260.54x = 1,819,899,432.23
  5. Step 5: Solve for x
    x = 1,819,899,432.23/55,260.54
  6. Step 6: Final answer
    x = 32,933.07

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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.