Home / 37,977.45-52,408.65-20,982.84

Finding the Fourth Proportional to 37,977.45, 52,408.65 and 20,982.84

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Solution

The fourth proportional to 37,977.45, 52,408.65 and 20,982.84 is: 28,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.45 : 52,408.65 = 20,982.84 : x
  2. Step 2: Convert to fraction form
    37,977.45/52,408.65 = 20,982.84/x
  3. Step 3: Cross multiply
    37,977.45x = 52,408.65 × 20,982.84
  4. Step 4: Simplify right side
    37,977.45x = 1,099,682,317.57
  5. Step 5: Solve for x
    x = 1,099,682,317.57/37,977.45
  6. Step 6: Final answer
    x = 28,956.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.