Home / 34,712.94-47,908.35-19,811.82

Finding the Fourth Proportional to 34,712.94, 47,908.35 and 19,811.82

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Solution

The fourth proportional to 34,712.94, 47,908.35 and 19,811.82 is: 27,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,712.94 : 47,908.35 = 19,811.82 : x
  2. Step 2: Convert to fraction form
    34,712.94/47,908.35 = 19,811.82/x
  3. Step 3: Cross multiply
    34,712.94x = 47,908.35 × 19,811.82
  4. Step 4: Simplify right side
    34,712.94x = 949,151,606.70
  5. Step 5: Solve for x
    x = 949,151,606.70/34,712.94
  6. Step 6: Final answer
    x = 27,342.88

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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.