Home / 31,629.13-47,450.85-9,441.68

Finding the Fourth Proportional to 31,629.13, 47,450.85 and 9,441.68

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Solution

The fourth proportional to 31,629.13, 47,450.85 and 9,441.68 is: 14,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.13 : 47,450.85 = 9,441.68 : x
  2. Step 2: Convert to fraction form
    31,629.13/47,450.85 = 9,441.68/x
  3. Step 3: Cross multiply
    31,629.13x = 47,450.85 × 9,441.68
  4. Step 4: Simplify right side
    31,629.13x = 448,015,468.77
  5. Step 5: Solve for x
    x = 448,015,468.77/31,629.13
  6. Step 6: Final answer
    x = 14,164.65

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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.