Home / 41,278.17-61,898.36-13,192.77

Finding the Fourth Proportional to 41,278.17, 61,898.36 and 13,192.77

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Solution

The fourth proportional to 41,278.17, 61,898.36 and 13,192.77 is: 19,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.17 : 61,898.36 = 13,192.77 : x
  2. Step 2: Convert to fraction form
    41,278.17/61,898.36 = 13,192.77/x
  3. Step 3: Cross multiply
    41,278.17x = 61,898.36 × 13,192.77
  4. Step 4: Simplify right side
    41,278.17x = 816,610,760.89
  5. Step 5: Solve for x
    x = 816,610,760.89/41,278.17
  6. Step 6: Final answer
    x = 19,783.11

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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.