Home / 31,958.60-47,937.91-9,771.98

Finding the Fourth Proportional to 31,958.60, 47,937.91 and 9,771.98

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Solution

The fourth proportional to 31,958.60, 47,937.91 and 9,771.98 is: 14,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958.60 : 47,937.91 = 9,771.98 : x
  2. Step 2: Convert to fraction form
    31,958.60/47,937.91 = 9,771.98/x
  3. Step 3: Cross multiply
    31,958.60x = 47,937.91 × 9,771.98
  4. Step 4: Simplify right side
    31,958.60x = 468,448,321.62
  5. Step 5: Solve for x
    x = 468,448,321.62/31,958.60
  6. Step 6: Final answer
    x = 14,657.97

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1.5x scale

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.