Home / 50,810.28-76,218.66-19,645.08

Finding the Fourth Proportional to 50,810.28, 76,218.66 and 19,645.08

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Solution

The fourth proportional to 50,810.28, 76,218.66 and 19,645.08 is: 29,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.28 : 76,218.66 = 19,645.08 : x
  2. Step 2: Convert to fraction form
    50,810.28/76,218.66 = 19,645.08/x
  3. Step 3: Cross multiply
    50,810.28x = 76,218.66 × 19,645.08
  4. Step 4: Simplify right side
    50,810.28x = 1,497,321,673.19
  5. Step 5: Solve for x
    x = 1,497,321,673.19/50,810.28
  6. Step 6: Final answer
    x = 29,468.87

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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.