Home / 47,621.22-71,433.60-18,041.28

Finding the Fourth Proportional to 47,621.22, 71,433.60 and 18,041.28

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Solution

The fourth proportional to 47,621.22, 71,433.60 and 18,041.28 is: 27,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.22 : 71,433.60 = 18,041.28 : x
  2. Step 2: Convert to fraction form
    47,621.22/71,433.60 = 18,041.28/x
  3. Step 3: Cross multiply
    47,621.22x = 71,433.60 × 18,041.28
  4. Step 4: Simplify right side
    47,621.22x = 1,288,753,579.01
  5. Step 5: Solve for x
    x = 1,288,753,579.01/47,621.22
  6. Step 6: Final answer
    x = 27,062.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.