Home / 31,745.68-47,620.60-9,558.16

Finding the Fourth Proportional to 31,745.68, 47,620.60 and 9,558.16

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Solution

The fourth proportional to 31,745.68, 47,620.60 and 9,558.16 is: 14,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.68 : 47,620.60 = 9,558.16 : x
  2. Step 2: Convert to fraction form
    31,745.68/47,620.60 = 9,558.16/x
  3. Step 3: Cross multiply
    31,745.68x = 47,620.60 × 9,558.16
  4. Step 4: Simplify right side
    31,745.68x = 455,165,314.10
  5. Step 5: Solve for x
    x = 455,165,314.10/31,745.68
  6. Step 6: Final answer
    x = 14,337.87

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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.