Home / 32,932.12-49,398.30-7,972.12

Finding the Fourth Proportional to 32,932.12, 49,398.30 and 7,972.12

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Solution

The fourth proportional to 32,932.12, 49,398.30 and 7,972.12 is: 11,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,932.12 : 49,398.30 = 7,972.12 : x
  2. Step 2: Convert to fraction form
    32,932.12/49,398.30 = 7,972.12/x
  3. Step 3: Cross multiply
    32,932.12x = 49,398.30 × 7,972.12
  4. Step 4: Simplify right side
    32,932.12x = 393,809,237.14
  5. Step 5: Solve for x
    x = 393,809,237.14/32,932.12
  6. Step 6: Final answer
    x = 11,958.21

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1.5x scale

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.