Home / 41,018.24-61,528.68-12,938.56

Finding the Fourth Proportional to 41,018.24, 61,528.68 and 12,938.56

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Solution

The fourth proportional to 41,018.24, 61,528.68 and 12,938.56 is: 19,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,018.24 : 61,528.68 = 12,938.56 : x
  2. Step 2: Convert to fraction form
    41,018.24/61,528.68 = 12,938.56/x
  3. Step 3: Cross multiply
    41,018.24x = 61,528.68 × 12,938.56
  4. Step 4: Simplify right side
    41,018.24x = 796,092,364.08
  5. Step 5: Solve for x
    x = 796,092,364.08/41,018.24
  6. Step 6: Final answer
    x = 19,408.25

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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.