Home / 55,036.49-82,553.85-21,756.86

Finding the Fourth Proportional to 55,036.49, 82,553.85 and 21,756.86

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Solution

The fourth proportional to 55,036.49, 82,553.85 and 21,756.86 is: 32,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.49 : 82,553.85 = 21,756.86 : x
  2. Step 2: Convert to fraction form
    55,036.49/82,553.85 = 21,756.86/x
  3. Step 3: Cross multiply
    55,036.49x = 82,553.85 × 21,756.86
  4. Step 4: Simplify right side
    55,036.49x = 1,796,112,918.08
  5. Step 5: Solve for x
    x = 1,796,112,918.08/55,036.49
  6. Step 6: Final answer
    x = 32,634.95

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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.