Home / 23,310.30-32,093.91-21,720.54

Finding the Fourth Proportional to 23,310.30, 32,093.91 and 21,720.54

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Solution

The fourth proportional to 23,310.30, 32,093.91 and 21,720.54 is: 29,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,310.30 : 32,093.91 = 21,720.54 : x
  2. Step 2: Convert to fraction form
    23,310.30/32,093.91 = 21,720.54/x
  3. Step 3: Cross multiply
    23,310.30x = 32,093.91 × 21,720.54
  4. Step 4: Simplify right side
    23,310.30x = 697,097,055.91
  5. Step 5: Solve for x
    x = 697,097,055.91/23,310.30
  6. Step 6: Final answer
    x = 29,905.11

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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.