Home / 35,518.20-49,014.84-20,204.70

Finding the Fourth Proportional to 35,518.20, 49,014.84 and 20,204.70

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Solution

The fourth proportional to 35,518.20, 49,014.84 and 20,204.70 is: 27,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.20 : 49,014.84 = 20,204.70 : x
  2. Step 2: Convert to fraction form
    35,518.20/49,014.84 = 20,204.70/x
  3. Step 3: Cross multiply
    35,518.20x = 49,014.84 × 20,204.70
  4. Step 4: Simplify right side
    35,518.20x = 990,330,137.75
  5. Step 5: Solve for x
    x = 990,330,137.75/35,518.20
  6. Step 6: Final answer
    x = 27,882.33

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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.