Home / 31,467.12-43,438.32-23,914.80

Finding the Fourth Proportional to 31,467.12, 43,438.32 and 23,914.80

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Solution

The fourth proportional to 31,467.12, 43,438.32 and 23,914.80 is: 33,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.12 : 43,438.32 = 23,914.80 : x
  2. Step 2: Convert to fraction form
    31,467.12/43,438.32 = 23,914.80/x
  3. Step 3: Cross multiply
    31,467.12x = 43,438.32 × 23,914.80
  4. Step 4: Simplify right side
    31,467.12x = 1,038,818,735.14
  5. Step 5: Solve for x
    x = 1,038,818,735.14/31,467.12
  6. Step 6: Final answer
    x = 33,012.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.