Home / 55,260.39-82,903.54-21,982.35

Finding the Fourth Proportional to 55,260.39, 82,903.54 and 21,982.35

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Solution

The fourth proportional to 55,260.39, 82,903.54 and 21,982.35 is: 32,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.39 : 82,903.54 = 21,982.35 : x
  2. Step 2: Convert to fraction form
    55,260.39/82,903.54 = 21,982.35/x
  3. Step 3: Cross multiply
    55,260.39x = 82,903.54 × 21,982.35
  4. Step 4: Simplify right side
    55,260.39x = 1,822,414,632.52
  5. Step 5: Solve for x
    x = 1,822,414,632.52/55,260.39
  6. Step 6: Final answer
    x = 32,978.68

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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.