Home / 39,450.08-54,438.96-21,544.80

Finding the Fourth Proportional to 39,450.08, 54,438.96 and 21,544.80

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Solution

The fourth proportional to 39,450.08, 54,438.96 and 21,544.80 is: 29,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.08 : 54,438.96 = 21,544.80 : x
  2. Step 2: Convert to fraction form
    39,450.08/54,438.96 = 21,544.80/x
  3. Step 3: Cross multiply
    39,450.08x = 54,438.96 × 21,544.80
  4. Step 4: Simplify right side
    39,450.08x = 1,172,876,505.41
  5. Step 5: Solve for x
    x = 1,172,876,505.41/39,450.08
  6. Step 6: Final answer
    x = 29,730.65

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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.