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Finding the Fourth Proportional to 34,809.44, 48,020.09 and 20,652.26

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Solution

The fourth proportional to 34,809.44, 48,020.09 and 20,652.26 is: 28,490.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.44 : 48,020.09 = 20,652.26 : x
  2. Step 2: Convert to fraction form
    34,809.44/48,020.09 = 20,652.26/x
  3. Step 3: Cross multiply
    34,809.44x = 48,020.09 × 20,652.26
  4. Step 4: Simplify right side
    34,809.44x = 991,723,040.54
  5. Step 5: Solve for x
    x = 991,723,040.54/34,809.44
  6. Step 6: Final answer
    x = 28,490.06

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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.