Home / 37,989.12-56,990.16-16,936.80

Finding the Fourth Proportional to 37,989.12, 56,990.16 and 16,936.80

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Solution

The fourth proportional to 37,989.12, 56,990.16 and 16,936.80 is: 25,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989.12 : 56,990.16 = 16,936.80 : x
  2. Step 2: Convert to fraction form
    37,989.12/56,990.16 = 16,936.80/x
  3. Step 3: Cross multiply
    37,989.12x = 56,990.16 × 16,936.80
  4. Step 4: Simplify right side
    37,989.12x = 965,230,941.89
  5. Step 5: Solve for x
    x = 965,230,941.89/37,989.12
  6. Step 6: Final answer
    x = 25,408.09

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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.