Home / 31,477.72-47,201.52-18,333.84

Finding the Fourth Proportional to 31,477.72, 47,201.52 and 18,333.84

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Solution

The fourth proportional to 31,477.72, 47,201.52 and 18,333.84 is: 27,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.72 : 47,201.52 = 18,333.84 : x
  2. Step 2: Convert to fraction form
    31,477.72/47,201.52 = 18,333.84/x
  3. Step 3: Cross multiply
    31,477.72x = 47,201.52 × 18,333.84
  4. Step 4: Simplify right side
    31,477.72x = 865,385,115.44
  5. Step 5: Solve for x
    x = 865,385,115.44/31,477.72
  6. Step 6: Final answer
    x = 27,491.99

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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.