Home / 39,932.52-55,107.12-22,028

Finding the Fourth Proportional to 39,932.52, 55,107.12 and 22,028

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Solution

The fourth proportional to 39,932.52, 55,107.12 and 22,028 is: 30,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.52 : 55,107.12 = 22,028 : x
  2. Step 2: Convert to fraction form
    39,932.52/55,107.12 = 22,028/x
  3. Step 3: Cross multiply
    39,932.52x = 55,107.12 × 22,028
  4. Step 4: Simplify right side
    39,932.52x = 1,213,899,639.36
  5. Step 5: Solve for x
    x = 1,213,899,639.36/39,932.52
  6. Step 6: Final answer
    x = 30,398.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.