Home / 69,967.12-104,956.32-21,932.44

Finding the Fourth Proportional to 69,967.12, 104,956.32 and 21,932.44

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Solution

The fourth proportional to 69,967.12, 104,956.32 and 21,932.44 is: 32,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.12 : 104,956.32 = 21,932.44 : x
  2. Step 2: Convert to fraction form
    69,967.12/104,956.32 = 21,932.44/x
  3. Step 3: Cross multiply
    69,967.12x = 104,956.32 × 21,932.44
  4. Step 4: Simplify right side
    69,967.12x = 2,301,948,191.02
  5. Step 5: Solve for x
    x = 2,301,948,191.02/69,967.12
  6. Step 6: Final answer
    x = 32,900.43

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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.