Home / 31,069.68-46,611.78-8,883.36

Finding the Fourth Proportional to 31,069.68, 46,611.78 and 8,883.36

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Solution

The fourth proportional to 31,069.68, 46,611.78 and 8,883.36 is: 13,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.68 : 46,611.78 = 8,883.36 : x
  2. Step 2: Convert to fraction form
    31,069.68/46,611.78 = 8,883.36/x
  3. Step 3: Cross multiply
    31,069.68x = 46,611.78 × 8,883.36
  4. Step 4: Simplify right side
    31,069.68x = 414,069,221.98
  5. Step 5: Solve for x
    x = 414,069,221.98/31,069.68
  6. Step 6: Final answer
    x = 13,327.12

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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.