Home / 45,863.42-68,790.52-12,586.83

Finding the Fourth Proportional to 45,863.42, 68,790.52 and 12,586.83

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Solution

The fourth proportional to 45,863.42, 68,790.52 and 12,586.83 is: 18,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.42 : 68,790.52 = 12,586.83 : x
  2. Step 2: Convert to fraction form
    45,863.42/68,790.52 = 12,586.83/x
  3. Step 3: Cross multiply
    45,863.42x = 68,790.52 × 12,586.83
  4. Step 4: Simplify right side
    45,863.42x = 865,854,517.92
  5. Step 5: Solve for x
    x = 865,854,517.92/45,863.42
  6. Step 6: Final answer
    x = 18,878.98

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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.