Home / 34,350.85-47,408.57-20,205.01

Finding the Fourth Proportional to 34,350.85, 47,408.57 and 20,205.01

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Solution

The fourth proportional to 34,350.85, 47,408.57 and 20,205.01 is: 27,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,350.85 : 47,408.57 = 20,205.01 : x
  2. Step 2: Convert to fraction form
    34,350.85/47,408.57 = 20,205.01/x
  3. Step 3: Cross multiply
    34,350.85x = 47,408.57 × 20,205.01
  4. Step 4: Simplify right side
    34,350.85x = 957,890,630.94
  5. Step 5: Solve for x
    x = 957,890,630.94/34,350.85
  6. Step 6: Final answer
    x = 27,885.50

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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.