Home / 34,356.91-47,414.29-19,815.69

Finding the Fourth Proportional to 34,356.91, 47,414.29 and 19,815.69

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Solution

The fourth proportional to 34,356.91, 47,414.29 and 19,815.69 is: 27,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.91 : 47,414.29 = 19,815.69 : x
  2. Step 2: Convert to fraction form
    34,356.91/47,414.29 = 19,815.69/x
  3. Step 3: Cross multiply
    34,356.91x = 47,414.29 × 19,815.69
  4. Step 4: Simplify right side
    34,356.91x = 939,546,585.49
  5. Step 5: Solve for x
    x = 939,546,585.49/34,356.91
  6. Step 6: Final answer
    x = 27,346.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.