Home / 74,604.38-111,906.57-30,222.86

Finding the Fourth Proportional to 74,604.38, 111,906.57 and 30,222.86

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Solution

The fourth proportional to 74,604.38, 111,906.57 and 30,222.86 is: 45,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.38 : 111,906.57 = 30,222.86 : x
  2. Step 2: Convert to fraction form
    74,604.38/111,906.57 = 30,222.86/x
  3. Step 3: Cross multiply
    74,604.38x = 111,906.57 × 30,222.86
  4. Step 4: Simplify right side
    74,604.38x = 3,382,136,598.19
  5. Step 5: Solve for x
    x = 3,382,136,598.19/74,604.38
  6. Step 6: Final answer
    x = 45,334.29

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1.5x scale

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.