Home / 39,932.32-55,108.08-22,028

Finding the Fourth Proportional to 39,932.32, 55,108.08 and 22,028

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Solution

The fourth proportional to 39,932.32, 55,108.08 and 22,028 is: 30,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.32 : 55,108.08 = 22,028 : x
  2. Step 2: Convert to fraction form
    39,932.32/55,108.08 = 22,028/x
  3. Step 3: Cross multiply
    39,932.32x = 55,108.08 × 22,028
  4. Step 4: Simplify right side
    39,932.32x = 1,213,920,786.24
  5. Step 5: Solve for x
    x = 1,213,920,786.24/39,932.32
  6. Step 6: Final answer
    x = 30,399.46

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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.