Home / 47,622.13-65,694.75-30,402.54

Finding the Fourth Proportional to 47,622.13, 65,694.75 and 30,402.54

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Solution

The fourth proportional to 47,622.13, 65,694.75 and 30,402.54 is: 41,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,622.13 : 65,694.75 = 30,402.54 : x
  2. Step 2: Convert to fraction form
    47,622.13/65,694.75 = 30,402.54/x
  3. Step 3: Cross multiply
    47,622.13x = 65,694.75 × 30,402.54
  4. Step 4: Simplify right side
    47,622.13x = 1,997,287,150.66
  5. Step 5: Solve for x
    x = 1,997,287,150.66/47,622.13
  6. Step 6: Final answer
    x = 41,940.32

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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.