Home / 50,054.50-75,080.86-12,613.73

Finding the Fourth Proportional to 50,054.50, 75,080.86 and 12,613.73

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Solution

The fourth proportional to 50,054.50, 75,080.86 and 12,613.73 is: 18,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,054.50 : 75,080.86 = 12,613.73 : x
  2. Step 2: Convert to fraction form
    50,054.50/75,080.86 = 12,613.73/x
  3. Step 3: Cross multiply
    50,054.50x = 75,080.86 × 12,613.73
  4. Step 4: Simplify right side
    50,054.50x = 947,049,883.91
  5. Step 5: Solve for x
    x = 947,049,883.91/50,054.50
  6. Step 6: Final answer
    x = 18,920.38

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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.