Home / 47,621.85-71,442.77-18,039.03

Finding the Fourth Proportional to 47,621.85, 71,442.77 and 18,039.03

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Solution

The fourth proportional to 47,621.85, 71,442.77 and 18,039.03 is: 27,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.85 : 71,442.77 = 18,039.03 : x
  2. Step 2: Convert to fraction form
    47,621.85/71,442.77 = 18,039.03/x
  3. Step 3: Cross multiply
    47,621.85x = 71,442.77 × 18,039.03
  4. Step 4: Simplify right side
    47,621.85x = 1,288,758,271.31
  5. Step 5: Solve for x
    x = 1,288,758,271.31/47,621.85
  6. Step 6: Final answer
    x = 27,062.33

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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.