Home / 56,412.26-84,622.64-18,972.44

Finding the Fourth Proportional to 56,412.26, 84,622.64 and 18,972.44

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Solution

The fourth proportional to 56,412.26, 84,622.64 and 18,972.44 is: 28,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.26 : 84,622.64 = 18,972.44 : x
  2. Step 2: Convert to fraction form
    56,412.26/84,622.64 = 18,972.44/x
  3. Step 3: Cross multiply
    56,412.26x = 84,622.64 × 18,972.44
  4. Step 4: Simplify right side
    56,412.26x = 1,605,497,960.04
  5. Step 5: Solve for x
    x = 1,605,497,960.04/56,412.26
  6. Step 6: Final answer
    x = 28,460.09

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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.