Home / 36,828.79-50,821.34-21,717.99

Finding the Fourth Proportional to 36,828.79, 50,821.34 and 21,717.99

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Solution

The fourth proportional to 36,828.79, 50,821.34 and 21,717.99 is: 29,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,828.79 : 50,821.34 = 21,717.99 : x
  2. Step 2: Convert to fraction form
    36,828.79/50,821.34 = 21,717.99/x
  3. Step 3: Cross multiply
    36,828.79x = 50,821.34 × 21,717.99
  4. Step 4: Simplify right side
    36,828.79x = 1,103,737,353.91
  5. Step 5: Solve for x
    x = 1,103,737,353.91/36,828.79
  6. Step 6: Final answer
    x = 29,969.42

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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.