Home / 37,172.80-55,729.70-18,447.82

Finding the Fourth Proportional to 37,172.80, 55,729.70 and 18,447.82

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Solution

The fourth proportional to 37,172.80, 55,729.70 and 18,447.82 is: 27,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.80 : 55,729.70 = 18,447.82 : x
  2. Step 2: Convert to fraction form
    37,172.80/55,729.70 = 18,447.82/x
  3. Step 3: Cross multiply
    37,172.80x = 55,729.70 × 18,447.82
  4. Step 4: Simplify right side
    37,172.80x = 1,028,091,311.87
  5. Step 5: Solve for x
    x = 1,028,091,311.87/37,172.80
  6. Step 6: Final answer
    x = 27,657.08

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1.5x scale

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.