Home / 20,504.88-30,731.94-14,572.31

Finding the Fourth Proportional to 20,504.88, 30,731.94 and 14,572.31

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Solution

The fourth proportional to 20,504.88, 30,731.94 and 14,572.31 is: 21,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.88 : 30,731.94 = 14,572.31 : x
  2. Step 2: Convert to fraction form
    20,504.88/30,731.94 = 14,572.31/x
  3. Step 3: Cross multiply
    20,504.88x = 30,731.94 × 14,572.31
  4. Step 4: Simplify right side
    20,504.88x = 447,835,202.92
  5. Step 5: Solve for x
    x = 447,835,202.92/20,504.88
  6. Step 6: Final answer
    x = 21,840.42

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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.