Home / 45,855.42-68,783.23-12,575.96

Finding the Fourth Proportional to 45,855.42, 68,783.23 and 12,575.96

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Solution

The fourth proportional to 45,855.42, 68,783.23 and 12,575.96 is: 18,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.42 : 68,783.23 = 12,575.96 : x
  2. Step 2: Convert to fraction form
    45,855.42/68,783.23 = 12,575.96/x
  3. Step 3: Cross multiply
    45,855.42x = 68,783.23 × 12,575.96
  4. Step 4: Simplify right side
    45,855.42x = 865,015,149.15
  5. Step 5: Solve for x
    x = 865,015,149.15/45,855.42
  6. Step 6: Final answer
    x = 18,863.97

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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.