Home / 36,972.84-51,021.38-21,059.56

Finding the Fourth Proportional to 36,972.84, 51,021.38 and 21,059.56

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Solution

The fourth proportional to 36,972.84, 51,021.38 and 21,059.56 is: 29,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.84 : 51,021.38 = 21,059.56 : x
  2. Step 2: Convert to fraction form
    36,972.84/51,021.38 = 21,059.56/x
  3. Step 3: Cross multiply
    36,972.84x = 51,021.38 × 21,059.56
  4. Step 4: Simplify right side
    36,972.84x = 1,074,487,813.39
  5. Step 5: Solve for x
    x = 1,074,487,813.39/36,972.84
  6. Step 6: Final answer
    x = 29,061.54

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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.