Home / 37,991.12-56,993.16-16,938.80

Finding the Fourth Proportional to 37,991.12, 56,993.16 and 16,938.80

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Solution

The fourth proportional to 37,991.12, 56,993.16 and 16,938.80 is: 25,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.12 : 56,993.16 = 16,938.80 : x
  2. Step 2: Convert to fraction form
    37,991.12/56,993.16 = 16,938.80/x
  3. Step 3: Cross multiply
    37,991.12x = 56,993.16 × 16,938.80
  4. Step 4: Simplify right side
    37,991.12x = 965,395,738.61
  5. Step 5: Solve for x
    x = 965,395,738.61/37,991.12
  6. Step 6: Final answer
    x = 25,411.09

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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.