Home / 50,658.48-75,992.58-13,219.20

Finding the Fourth Proportional to 50,658.48, 75,992.58 and 13,219.20

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Solution

The fourth proportional to 50,658.48, 75,992.58 and 13,219.20 is: 19,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.48 : 75,992.58 = 13,219.20 : x
  2. Step 2: Convert to fraction form
    50,658.48/75,992.58 = 13,219.20/x
  3. Step 3: Cross multiply
    50,658.48x = 75,992.58 × 13,219.20
  4. Step 4: Simplify right side
    50,658.48x = 1,004,561,113.54
  5. Step 5: Solve for x
    x = 1,004,561,113.54/50,658.48
  6. Step 6: Final answer
    x = 19,830.07

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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.