Home / 38,643.05-57,969.44-13,677.23

Finding the Fourth Proportional to 38,643.05, 57,969.44 and 13,677.23

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Solution

The fourth proportional to 38,643.05, 57,969.44 and 13,677.23 is: 20,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.05 : 57,969.44 = 13,677.23 : x
  2. Step 2: Convert to fraction form
    38,643.05/57,969.44 = 13,677.23/x
  3. Step 3: Cross multiply
    38,643.05x = 57,969.44 × 13,677.23
  4. Step 4: Simplify right side
    38,643.05x = 792,861,005.62
  5. Step 5: Solve for x
    x = 792,861,005.62/38,643.05
  6. Step 6: Final answer
    x = 20,517.56

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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.