Home / 30,906.88-46,325.76-13,350.40

Finding the Fourth Proportional to 30,906.88, 46,325.76 and 13,350.40

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Solution

The fourth proportional to 30,906.88, 46,325.76 and 13,350.40 is: 20,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.88 : 46,325.76 = 13,350.40 : x
  2. Step 2: Convert to fraction form
    30,906.88/46,325.76 = 13,350.40/x
  3. Step 3: Cross multiply
    30,906.88x = 46,325.76 × 13,350.40
  4. Step 4: Simplify right side
    30,906.88x = 618,467,426.30
  5. Step 5: Solve for x
    x = 618,467,426.30/30,906.88
  6. Step 6: Final answer
    x = 20,010.67

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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.