Home / 30,211.63-45,318.34-14,418.33

Finding the Fourth Proportional to 30,211.63, 45,318.34 and 14,418.33

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Solution

The fourth proportional to 30,211.63, 45,318.34 and 14,418.33 is: 21,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,211.63 : 45,318.34 = 14,418.33 : x
  2. Step 2: Convert to fraction form
    30,211.63/45,318.34 = 14,418.33/x
  3. Step 3: Cross multiply
    30,211.63x = 45,318.34 × 14,418.33
  4. Step 4: Simplify right side
    30,211.63x = 653,414,766.85
  5. Step 5: Solve for x
    x = 653,414,766.85/30,211.63
  6. Step 6: Final answer
    x = 21,627.92

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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.