Home / 40,613.96-60,922.53-12,531.51

Finding the Fourth Proportional to 40,613.96, 60,922.53 and 12,531.51

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Solution

The fourth proportional to 40,613.96, 60,922.53 and 12,531.51 is: 18,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.96 : 60,922.53 = 12,531.51 : x
  2. Step 2: Convert to fraction form
    40,613.96/60,922.53 = 12,531.51/x
  3. Step 3: Cross multiply
    40,613.96x = 60,922.53 × 12,531.51
  4. Step 4: Simplify right side
    40,613.96x = 763,451,293.92
  5. Step 5: Solve for x
    x = 763,451,293.92/40,613.96
  6. Step 6: Final answer
    x = 18,797.76

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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.