Home / 31,838.87-47,771.37-16,842.08

Finding the Fourth Proportional to 31,838.87, 47,771.37 and 16,842.08

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Solution

The fourth proportional to 31,838.87, 47,771.37 and 16,842.08 is: 25,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.87 : 47,771.37 = 16,842.08 : x
  2. Step 2: Convert to fraction form
    31,838.87/47,771.37 = 16,842.08/x
  3. Step 3: Cross multiply
    31,838.87x = 47,771.37 × 16,842.08
  4. Step 4: Simplify right side
    31,838.87x = 804,569,354.68
  5. Step 5: Solve for x
    x = 804,569,354.68/31,838.87
  6. Step 6: Final answer
    x = 25,270.03

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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.