Home / 31,161.84-46,761.18-12,450.69

Finding the Fourth Proportional to 31,161.84, 46,761.18 and 12,450.69

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Solution

The fourth proportional to 31,161.84, 46,761.18 and 12,450.69 is: 18,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.84 : 46,761.18 = 12,450.69 : x
  2. Step 2: Convert to fraction form
    31,161.84/46,761.18 = 12,450.69/x
  3. Step 3: Cross multiply
    31,161.84x = 46,761.18 × 12,450.69
  4. Step 4: Simplify right side
    31,161.84x = 582,208,956.21
  5. Step 5: Solve for x
    x = 582,208,956.21/31,161.84
  6. Step 6: Final answer
    x = 18,683.39

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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.