Home / 36,828.92-50,821.51-21,718.11

Finding the Fourth Proportional to 36,828.92, 50,821.51 and 21,718.11

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Solution

The fourth proportional to 36,828.92, 50,821.51 and 21,718.11 is: 29,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,828.92 : 50,821.51 = 21,718.11 : x
  2. Step 2: Convert to fraction form
    36,828.92/50,821.51 = 21,718.11/x
  3. Step 3: Cross multiply
    36,828.92x = 50,821.51 × 21,718.11
  4. Step 4: Simplify right side
    36,828.92x = 1,103,747,090.25
  5. Step 5: Solve for x
    x = 1,103,747,090.25/36,828.92
  6. Step 6: Final answer
    x = 29,969.58

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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.