Home / 31,745.32-47,614.14-8,373.52

Finding the Fourth Proportional to 31,745.32, 47,614.14 and 8,373.52

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Solution

The fourth proportional to 31,745.32, 47,614.14 and 8,373.52 is: 12,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.32 : 47,614.14 = 8,373.52 : x
  2. Step 2: Convert to fraction form
    31,745.32/47,614.14 = 8,373.52/x
  3. Step 3: Cross multiply
    31,745.32x = 47,614.14 × 8,373.52
  4. Step 4: Simplify right side
    31,745.32x = 398,697,953.57
  5. Step 5: Solve for x
    x = 398,697,953.57/31,745.32
  6. Step 6: Final answer
    x = 12,559.27

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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.