Home / 30,982.24-46,447.24-13,438.86

Finding the Fourth Proportional to 30,982.24, 46,447.24 and 13,438.86

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Solution

The fourth proportional to 30,982.24, 46,447.24 and 13,438.86 is: 20,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.24 : 46,447.24 = 13,438.86 : x
  2. Step 2: Convert to fraction form
    30,982.24/46,447.24 = 13,438.86/x
  3. Step 3: Cross multiply
    30,982.24x = 46,447.24 × 13,438.86
  4. Step 4: Simplify right side
    30,982.24x = 624,197,955.75
  5. Step 5: Solve for x
    x = 624,197,955.75/30,982.24
  6. Step 6: Final answer
    x = 20,146.96

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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.