Home / 39,922.32-59,866.16-21,198.28

Finding the Fourth Proportional to 39,922.32, 59,866.16 and 21,198.28

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Solution

The fourth proportional to 39,922.32, 59,866.16 and 21,198.28 is: 31,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.32 : 59,866.16 = 21,198.28 : x
  2. Step 2: Convert to fraction form
    39,922.32/59,866.16 = 21,198.28/x
  3. Step 3: Cross multiply
    39,922.32x = 59,866.16 × 21,198.28
  4. Step 4: Simplify right side
    39,922.32x = 1,269,059,622.20
  5. Step 5: Solve for x
    x = 1,269,059,622.20/39,922.32
  6. Step 6: Final answer
    x = 31,788.22

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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.