Home / 45,482.12-68,230.46-19,190.73

Finding the Fourth Proportional to 45,482.12, 68,230.46 and 19,190.73

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Solution

The fourth proportional to 45,482.12, 68,230.46 and 19,190.73 is: 28,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,482.12 : 68,230.46 = 19,190.73 : x
  2. Step 2: Convert to fraction form
    45,482.12/68,230.46 = 19,190.73/x
  3. Step 3: Cross multiply
    45,482.12x = 68,230.46 × 19,190.73
  4. Step 4: Simplify right side
    45,482.12x = 1,309,392,335.64
  5. Step 5: Solve for x
    x = 1,309,392,335.64/45,482.12
  6. Step 6: Final answer
    x = 28,789.17

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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.