Home / 45,768.69-68,664-19,099.85

Finding the Fourth Proportional to 45,768.69, 68,664 and 19,099.85

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Solution

The fourth proportional to 45,768.69, 68,664 and 19,099.85 is: 28,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768.69 : 68,664 = 19,099.85 : x
  2. Step 2: Convert to fraction form
    45,768.69/68,664 = 19,099.85/x
  3. Step 3: Cross multiply
    45,768.69x = 68,664 × 19,099.85
  4. Step 4: Simplify right side
    45,768.69x = 1,311,471,757.08
  5. Step 5: Solve for x
    x = 1,311,471,757.08/45,768.69
  6. Step 6: Final answer
    x = 28,654.34

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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.