Home / 74,619.09-111,933.50-30,244.86

Finding the Fourth Proportional to 74,619.09, 111,933.50 and 30,244.86

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Solution

The fourth proportional to 74,619.09, 111,933.50 and 30,244.86 is: 45,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,619.09 : 111,933.50 = 30,244.86 : x
  2. Step 2: Convert to fraction form
    74,619.09/111,933.50 = 30,244.86/x
  3. Step 3: Cross multiply
    74,619.09x = 111,933.50 × 30,244.86
  4. Step 4: Simplify right side
    74,619.09x = 3,385,412,885.59
  5. Step 5: Solve for x
    x = 3,385,412,885.59/74,619.09
  6. Step 6: Final answer
    x = 45,369.26

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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.