Home / 40,449.77-60,674.61-18,809.09

Finding the Fourth Proportional to 40,449.77, 60,674.61 and 18,809.09

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Solution

The fourth proportional to 40,449.77, 60,674.61 and 18,809.09 is: 28,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.77 : 60,674.61 = 18,809.09 : x
  2. Step 2: Convert to fraction form
    40,449.77/60,674.61 = 18,809.09/x
  3. Step 3: Cross multiply
    40,449.77x = 60,674.61 × 18,809.09
  4. Step 4: Simplify right side
    40,449.77x = 1,141,234,200.20
  5. Step 5: Solve for x
    x = 1,141,234,200.20/40,449.77
  6. Step 6: Final answer
    x = 28,213.61

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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.