Home / 47,620.92-71,464.14-21,355.02

Finding the Fourth Proportional to 47,620.92, 71,464.14 and 21,355.02

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Solution

The fourth proportional to 47,620.92, 71,464.14 and 21,355.02 is: 32,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.92 : 71,464.14 = 21,355.02 : x
  2. Step 2: Convert to fraction form
    47,620.92/71,464.14 = 21,355.02/x
  3. Step 3: Cross multiply
    47,620.92x = 71,464.14 × 21,355.02
  4. Step 4: Simplify right side
    47,620.92x = 1,526,118,138.98
  5. Step 5: Solve for x
    x = 1,526,118,138.98/47,620.92
  6. Step 6: Final answer
    x = 32,047.22

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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.