Home / 31,194.50-46,814.28-12,221.96

Finding the Fourth Proportional to 31,194.50, 46,814.28 and 12,221.96

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Solution

The fourth proportional to 31,194.50, 46,814.28 and 12,221.96 is: 18,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,194.50 : 46,814.28 = 12,221.96 : x
  2. Step 2: Convert to fraction form
    31,194.50/46,814.28 = 12,221.96/x
  3. Step 3: Cross multiply
    31,194.50x = 46,814.28 × 12,221.96
  4. Step 4: Simplify right side
    31,194.50x = 572,162,257.59
  5. Step 5: Solve for x
    x = 572,162,257.59/31,194.50
  6. Step 6: Final answer
    x = 18,341.77

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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.