Home / 34,617.14-47,787.60-20,274.98

Finding the Fourth Proportional to 34,617.14, 47,787.60 and 20,274.98

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Solution

The fourth proportional to 34,617.14, 47,787.60 and 20,274.98 is: 27,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,617.14 : 47,787.60 = 20,274.98 : x
  2. Step 2: Convert to fraction form
    34,617.14/47,787.60 = 20,274.98/x
  3. Step 3: Cross multiply
    34,617.14x = 47,787.60 × 20,274.98
  4. Step 4: Simplify right side
    34,617.14x = 968,892,634.25
  5. Step 5: Solve for x
    x = 968,892,634.25/34,617.14
  6. Step 6: Final answer
    x = 27,988.81

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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.