Home / 34,723.86-51,972.14-18,889.36

Finding the Fourth Proportional to 34,723.86, 51,972.14 and 18,889.36

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Solution

The fourth proportional to 34,723.86, 51,972.14 and 18,889.36 is: 28,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.86 : 51,972.14 = 18,889.36 : x
  2. Step 2: Convert to fraction form
    34,723.86/51,972.14 = 18,889.36/x
  3. Step 3: Cross multiply
    34,723.86x = 51,972.14 × 18,889.36
  4. Step 4: Simplify right side
    34,723.86x = 981,720,462.43
  5. Step 5: Solve for x
    x = 981,720,462.43/34,723.86
  6. Step 6: Final answer
    x = 28,272.22

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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.