Home / 31,611.26-47,429.64-14,069.09

Finding the Fourth Proportional to 31,611.26, 47,429.64 and 14,069.09

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Solution

The fourth proportional to 31,611.26, 47,429.64 and 14,069.09 is: 21,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.26 : 47,429.64 = 14,069.09 : x
  2. Step 2: Convert to fraction form
    31,611.26/47,429.64 = 14,069.09/x
  3. Step 3: Cross multiply
    31,611.26x = 47,429.64 × 14,069.09
  4. Step 4: Simplify right side
    31,611.26x = 667,291,636.68
  5. Step 5: Solve for x
    x = 667,291,636.68/31,611.26
  6. Step 6: Final answer
    x = 21,109.31

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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.