Home / 45,311.82-67,967.73-14,149.74

Finding the Fourth Proportional to 45,311.82, 67,967.73 and 14,149.74

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Solution

The fourth proportional to 45,311.82, 67,967.73 and 14,149.74 is: 21,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311.82 : 67,967.73 = 14,149.74 : x
  2. Step 2: Convert to fraction form
    45,311.82/67,967.73 = 14,149.74/x
  3. Step 3: Cross multiply
    45,311.82x = 67,967.73 × 14,149.74
  4. Step 4: Simplify right side
    45,311.82x = 961,725,707.89
  5. Step 5: Solve for x
    x = 961,725,707.89/45,311.82
  6. Step 6: Final answer
    x = 21,224.61

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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.