Home / 73,190.30-109,785.51-20,599.83

Finding the Fourth Proportional to 73,190.30, 109,785.51 and 20,599.83

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Solution

The fourth proportional to 73,190.30, 109,785.51 and 20,599.83 is: 30,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,190.30 : 109,785.51 = 20,599.83 : x
  2. Step 2: Convert to fraction form
    73,190.30/109,785.51 = 20,599.83/x
  3. Step 3: Cross multiply
    73,190.30x = 109,785.51 × 20,599.83
  4. Step 4: Simplify right side
    73,190.30x = 2,261,562,842.46
  5. Step 5: Solve for x
    x = 2,261,562,842.46/73,190.30
  6. Step 6: Final answer
    x = 30,899.76

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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.