Home / 73,436.10-110,155.20-20,845.62

Finding the Fourth Proportional to 73,436.10, 110,155.20 and 20,845.62

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Solution

The fourth proportional to 73,436.10, 110,155.20 and 20,845.62 is: 31,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,436.10 : 110,155.20 = 20,845.62 : x
  2. Step 2: Convert to fraction form
    73,436.10/110,155.20 = 20,845.62/x
  3. Step 3: Cross multiply
    73,436.10x = 110,155.20 × 20,845.62
  4. Step 4: Simplify right side
    73,436.10x = 2,296,253,440.22
  5. Step 5: Solve for x
    x = 2,296,253,440.22/73,436.10
  6. Step 6: Final answer
    x = 31,268.73

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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.