Home / 43,480.30-65,217.26-13,890.19

Finding the Fourth Proportional to 43,480.30, 65,217.26 and 13,890.19

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Solution

The fourth proportional to 43,480.30, 65,217.26 and 13,890.19 is: 20,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,480.30 : 65,217.26 = 13,890.19 : x
  2. Step 2: Convert to fraction form
    43,480.30/65,217.26 = 13,890.19/x
  3. Step 3: Cross multiply
    43,480.30x = 65,217.26 × 13,890.19
  4. Step 4: Simplify right side
    43,480.30x = 905,879,737.14
  5. Step 5: Solve for x
    x = 905,879,737.14/43,480.30
  6. Step 6: Final answer
    x = 20,834.26

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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.