Home / 54,644.34-81,977.40-17,213.86

Finding the Fourth Proportional to 54,644.34, 81,977.40 and 17,213.86

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Solution

The fourth proportional to 54,644.34, 81,977.40 and 17,213.86 is: 25,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.34 : 81,977.40 = 17,213.86 : x
  2. Step 2: Convert to fraction form
    54,644.34/81,977.40 = 17,213.86/x
  3. Step 3: Cross multiply
    54,644.34x = 81,977.40 × 17,213.86
  4. Step 4: Simplify right side
    54,644.34x = 1,411,147,486.76
  5. Step 5: Solve for x
    x = 1,411,147,486.76/54,644.34
  6. Step 6: Final answer
    x = 25,824.22

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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.