Home / 37,132.04-55,709.55-12,172.28

Finding the Fourth Proportional to 37,132.04, 55,709.55 and 12,172.28

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Solution

The fourth proportional to 37,132.04, 55,709.55 and 12,172.28 is: 18,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.04 : 55,709.55 = 12,172.28 : x
  2. Step 2: Convert to fraction form
    37,132.04/55,709.55 = 12,172.28/x
  3. Step 3: Cross multiply
    37,132.04x = 55,709.55 × 12,172.28
  4. Step 4: Simplify right side
    37,132.04x = 678,112,241.27
  5. Step 5: Solve for x
    x = 678,112,241.27/37,132.04
  6. Step 6: Final answer
    x = 18,262.19

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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.