Home / 43,251.48-64,832.22-18,270.72

Finding the Fourth Proportional to 43,251.48, 64,832.22 and 18,270.72

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Solution

The fourth proportional to 43,251.48, 64,832.22 and 18,270.72 is: 27,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.48 : 64,832.22 = 18,270.72 : x
  2. Step 2: Convert to fraction form
    43,251.48/64,832.22 = 18,270.72/x
  3. Step 3: Cross multiply
    43,251.48x = 64,832.22 × 18,270.72
  4. Step 4: Simplify right side
    43,251.48x = 1,184,531,338.60
  5. Step 5: Solve for x
    x = 1,184,531,338.60/43,251.48
  6. Step 6: Final answer
    x = 27,387.07

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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.