Home / 73,210.20-109,805.52-20,623.77

Finding the Fourth Proportional to 73,210.20, 109,805.52 and 20,623.77

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Solution

The fourth proportional to 73,210.20, 109,805.52 and 20,623.77 is: 30,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.20 : 109,805.52 = 20,623.77 : x
  2. Step 2: Convert to fraction form
    73,210.20/109,805.52 = 20,623.77/x
  3. Step 3: Cross multiply
    73,210.20x = 109,805.52 × 20,623.77
  4. Step 4: Simplify right side
    73,210.20x = 2,264,603,789.21
  5. Step 5: Solve for x
    x = 2,264,603,789.21/73,210.20
  6. Step 6: Final answer
    x = 30,932.90

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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.