Home / 33,668.31-50,502.47-12,891.81

Finding the Fourth Proportional to 33,668.31, 50,502.47 and 12,891.81

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Solution

The fourth proportional to 33,668.31, 50,502.47 and 12,891.81 is: 19,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668.31 : 50,502.47 = 12,891.81 : x
  2. Step 2: Convert to fraction form
    33,668.31/50,502.47 = 12,891.81/x
  3. Step 3: Cross multiply
    33,668.31x = 50,502.47 × 12,891.81
  4. Step 4: Simplify right side
    33,668.31x = 651,068,247.77
  5. Step 5: Solve for x
    x = 651,068,247.77/33,668.31
  6. Step 6: Final answer
    x = 19,337.72

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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.