Home / 31,046.96-46,573.20-8,859.92

Finding the Fourth Proportional to 31,046.96, 46,573.20 and 8,859.92

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Solution

The fourth proportional to 31,046.96, 46,573.20 and 8,859.92 is: 13,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.96 : 46,573.20 = 8,859.92 : x
  2. Step 2: Convert to fraction form
    31,046.96/46,573.20 = 8,859.92/x
  3. Step 3: Cross multiply
    31,046.96x = 46,573.20 × 8,859.92
  4. Step 4: Simplify right side
    31,046.96x = 412,634,826.14
  5. Step 5: Solve for x
    x = 412,634,826.14/31,046.96
  6. Step 6: Final answer
    x = 13,290.67

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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.