Home / 53,621.51-80,446.84-18,563.90

Finding the Fourth Proportional to 53,621.51, 80,446.84 and 18,563.90

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Solution

The fourth proportional to 53,621.51, 80,446.84 and 18,563.90 is: 27,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.51 : 80,446.84 = 18,563.90 : x
  2. Step 2: Convert to fraction form
    53,621.51/80,446.84 = 18,563.90/x
  3. Step 3: Cross multiply
    53,621.51x = 80,446.84 × 18,563.90
  4. Step 4: Simplify right side
    53,621.51x = 1,493,406,644.43
  5. Step 5: Solve for x
    x = 1,493,406,644.43/53,621.51
  6. Step 6: Final answer
    x = 27,850.89

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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.