Home / 45,439.64-68,154.07-12,162.27

Finding the Fourth Proportional to 45,439.64, 68,154.07 and 12,162.27

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Solution

The fourth proportional to 45,439.64, 68,154.07 and 12,162.27 is: 18,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.64 : 68,154.07 = 12,162.27 : x
  2. Step 2: Convert to fraction form
    45,439.64/68,154.07 = 12,162.27/x
  3. Step 3: Cross multiply
    45,439.64x = 68,154.07 × 12,162.27
  4. Step 4: Simplify right side
    45,439.64x = 828,908,200.94
  5. Step 5: Solve for x
    x = 828,908,200.94/45,439.64
  6. Step 6: Final answer
    x = 18,241.96

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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.