Home / 31,958.21-47,937.45-9,771.50

Finding the Fourth Proportional to 31,958.21, 47,937.45 and 9,771.50

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Solution

The fourth proportional to 31,958.21, 47,937.45 and 9,771.50 is: 14,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958.21 : 47,937.45 = 9,771.50 : x
  2. Step 2: Convert to fraction form
    31,958.21/47,937.45 = 9,771.50/x
  3. Step 3: Cross multiply
    31,958.21x = 47,937.45 × 9,771.50
  4. Step 4: Simplify right side
    31,958.21x = 468,420,552.99
  5. Step 5: Solve for x
    x = 468,420,552.99/31,958.21
  6. Step 6: Final answer
    x = 14,657.29

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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.