Home / 49,770.42-68,678.20-30,647.14

Finding the Fourth Proportional to 49,770.42, 68,678.20 and 30,647.14

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Solution

The fourth proportional to 49,770.42, 68,678.20 and 30,647.14 is: 42,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.42 : 68,678.20 = 30,647.14 : x
  2. Step 2: Convert to fraction form
    49,770.42/68,678.20 = 30,647.14/x
  3. Step 3: Cross multiply
    49,770.42x = 68,678.20 × 30,647.14
  4. Step 4: Simplify right side
    49,770.42x = 2,104,790,410.35
  5. Step 5: Solve for x
    x = 2,104,790,410.35/49,770.42
  6. Step 6: Final answer
    x = 42,289.99

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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.