Home / 37,158.39-55,741.14-12,198.51

Finding the Fourth Proportional to 37,158.39, 55,741.14 and 12,198.51

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Solution

The fourth proportional to 37,158.39, 55,741.14 and 12,198.51 is: 18,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.39 : 55,741.14 = 12,198.51 : x
  2. Step 2: Convert to fraction form
    37,158.39/55,741.14 = 12,198.51/x
  3. Step 3: Cross multiply
    37,158.39x = 55,741.14 × 12,198.51
  4. Step 4: Simplify right side
    37,158.39x = 679,958,853.70
  5. Step 5: Solve for x
    x = 679,958,853.70/37,158.39
  6. Step 6: Final answer
    x = 18,298.93

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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.