Home / 74,639.04-111,956.82-30,253.92

Finding the Fourth Proportional to 74,639.04, 111,956.82 and 30,253.92

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Solution

The fourth proportional to 74,639.04, 111,956.82 and 30,253.92 is: 45,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.04 : 111,956.82 = 30,253.92 : x
  2. Step 2: Convert to fraction form
    74,639.04/111,956.82 = 30,253.92/x
  3. Step 3: Cross multiply
    74,639.04x = 111,956.82 × 30,253.92
  4. Step 4: Simplify right side
    74,639.04x = 3,387,132,675.73
  5. Step 5: Solve for x
    x = 3,387,132,675.73/74,639.04
  6. Step 6: Final answer
    x = 45,380.17

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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.