Home / 31,745.08-47,622.48-8,373.34

Finding the Fourth Proportional to 31,745.08, 47,622.48 and 8,373.34

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Solution

The fourth proportional to 31,745.08, 47,622.48 and 8,373.34 is: 12,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.08 : 47,622.48 = 8,373.34 : x
  2. Step 2: Convert to fraction form
    31,745.08/47,622.48 = 8,373.34/x
  3. Step 3: Cross multiply
    31,745.08x = 47,622.48 × 8,373.34
  4. Step 4: Simplify right side
    31,745.08x = 398,759,216.68
  5. Step 5: Solve for x
    x = 398,759,216.68/31,745.08
  6. Step 6: Final answer
    x = 12,561.29

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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.