Home / 35,964.28-49,634.40-21,628.72

Finding the Fourth Proportional to 35,964.28, 49,634.40 and 21,628.72

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Solution

The fourth proportional to 35,964.28, 49,634.40 and 21,628.72 is: 29,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,964.28 : 49,634.40 = 21,628.72 : x
  2. Step 2: Convert to fraction form
    35,964.28/49,634.40 = 21,628.72/x
  3. Step 3: Cross multiply
    35,964.28x = 49,634.40 × 21,628.72
  4. Step 4: Simplify right side
    35,964.28x = 1,073,528,539.97
  5. Step 5: Solve for x
    x = 1,073,528,539.97/35,964.28
  6. Step 6: Final answer
    x = 29,849.85

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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.