Home / 31,923.20-47,890.94-10,862.39

Finding the Fourth Proportional to 31,923.20, 47,890.94 and 10,862.39

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Solution

The fourth proportional to 31,923.20, 47,890.94 and 10,862.39 is: 16,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923.20 : 47,890.94 = 10,862.39 : x
  2. Step 2: Convert to fraction form
    31,923.20/47,890.94 = 10,862.39/x
  3. Step 3: Cross multiply
    31,923.20x = 47,890.94 × 10,862.39
  4. Step 4: Simplify right side
    31,923.20x = 520,209,773.98
  5. Step 5: Solve for x
    x = 520,209,773.98/31,923.20
  6. Step 6: Final answer
    x = 16,295.67

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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.