Home / 37,286.87-55,918.40-12,322.26

Finding the Fourth Proportional to 37,286.87, 55,918.40 and 12,322.26

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Solution

The fourth proportional to 37,286.87, 55,918.40 and 12,322.26 is: 18,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.87 : 55,918.40 = 12,322.26 : x
  2. Step 2: Convert to fraction form
    37,286.87/55,918.40 = 12,322.26/x
  3. Step 3: Cross multiply
    37,286.87x = 55,918.40 × 12,322.26
  4. Step 4: Simplify right side
    37,286.87x = 689,041,001.97
  5. Step 5: Solve for x
    x = 689,041,001.97/37,286.87
  6. Step 6: Final answer
    x = 18,479.46

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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.