Home / 20,049.98-29,905.40-18,893.60

Finding the Fourth Proportional to 20,049.98, 29,905.40 and 18,893.60

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Solution

The fourth proportional to 20,049.98, 29,905.40 and 18,893.60 is: 28,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.98 : 29,905.40 = 18,893.60 : x
  2. Step 2: Convert to fraction form
    20,049.98/29,905.40 = 18,893.60/x
  3. Step 3: Cross multiply
    20,049.98x = 29,905.40 × 18,893.60
  4. Step 4: Simplify right side
    20,049.98x = 565,020,843.51
  5. Step 5: Solve for x
    x = 565,020,843.51/20,049.98
  6. Step 6: Final answer
    x = 28,180.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.