Home / 34,807.33-47,997.80-20,657.44

Finding the Fourth Proportional to 34,807.33, 47,997.80 and 20,657.44

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Solution

The fourth proportional to 34,807.33, 47,997.80 and 20,657.44 is: 28,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.33 : 47,997.80 = 20,657.44 : x
  2. Step 2: Convert to fraction form
    34,807.33/47,997.80 = 20,657.44/x
  3. Step 3: Cross multiply
    34,807.33x = 47,997.80 × 20,657.44
  4. Step 4: Simplify right side
    34,807.33x = 991,511,570.34
  5. Step 5: Solve for x
    x = 991,511,570.34/34,807.33
  6. Step 6: Final answer
    x = 28,485.71

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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.