Home / 37,187.87-55,784.90-11,890.96

Finding the Fourth Proportional to 37,187.87, 55,784.90 and 11,890.96

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Solution

The fourth proportional to 37,187.87, 55,784.90 and 11,890.96 is: 17,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,187.87 : 55,784.90 = 11,890.96 : x
  2. Step 2: Convert to fraction form
    37,187.87/55,784.90 = 11,890.96/x
  3. Step 3: Cross multiply
    37,187.87x = 55,784.90 × 11,890.96
  4. Step 4: Simplify right side
    37,187.87x = 663,335,904.77
  5. Step 5: Solve for x
    x = 663,335,904.77/37,187.87
  6. Step 6: Final answer
    x = 17,837.43

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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.