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Finding the Fourth Proportional to 35,101.80, 52,575.90 and 21,226.60

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Solution

The fourth proportional to 35,101.80, 52,575.90 and 21,226.60 is: 31,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.80 : 52,575.90 = 21,226.60 : x
  2. Step 2: Convert to fraction form
    35,101.80/52,575.90 = 21,226.60/x
  3. Step 3: Cross multiply
    35,101.80x = 52,575.90 × 21,226.60
  4. Step 4: Simplify right side
    35,101.80x = 1,116,007,598.94
  5. Step 5: Solve for x
    x = 1,116,007,598.94/35,101.80
  6. Step 6: Final answer
    x = 31,793.46

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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.