Home / 74,633.20-111,883.56-30,292.72

Finding the Fourth Proportional to 74,633.20, 111,883.56 and 30,292.72

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Solution

The fourth proportional to 74,633.20, 111,883.56 and 30,292.72 is: 45,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.20 : 111,883.56 = 30,292.72 : x
  2. Step 2: Convert to fraction form
    74,633.20/111,883.56 = 30,292.72/x
  3. Step 3: Cross multiply
    74,633.20x = 111,883.56 × 30,292.72
  4. Step 4: Simplify right side
    74,633.20x = 3,389,257,355.68
  5. Step 5: Solve for x
    x = 3,389,257,355.68/74,633.20
  6. Step 6: Final answer
    x = 45,412.19

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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.