Home / 74,624.80-111,936.52-30,241

Finding the Fourth Proportional to 74,624.80, 111,936.52 and 30,241

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Solution

The fourth proportional to 74,624.80, 111,936.52 and 30,241 is: 45,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,624.80 : 111,936.52 = 30,241 : x
  2. Step 2: Convert to fraction form
    74,624.80/111,936.52 = 30,241/x
  3. Step 3: Cross multiply
    74,624.80x = 111,936.52 × 30,241
  4. Step 4: Simplify right side
    74,624.80x = 3,385,072,301.32
  5. Step 5: Solve for x
    x = 3,385,072,301.32/74,624.80
  6. Step 6: Final answer
    x = 45,361.22

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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.