Home / 30,069.45-41,492.12-16,638.84

Finding the Fourth Proportional to 30,069.45, 41,492.12 and 16,638.84

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Solution

The fourth proportional to 30,069.45, 41,492.12 and 16,638.84 is: 22,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.45 : 41,492.12 = 16,638.84 : x
  2. Step 2: Convert to fraction form
    30,069.45/41,492.12 = 16,638.84/x
  3. Step 3: Cross multiply
    30,069.45x = 41,492.12 × 16,638.84
  4. Step 4: Simplify right side
    30,069.45x = 690,380,662.75
  5. Step 5: Solve for x
    x = 690,380,662.75/30,069.45
  6. Step 6: Final answer
    x = 22,959.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.