Home / 30,942.75-46,339.61-19,814.97

Finding the Fourth Proportional to 30,942.75, 46,339.61 and 19,814.97

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Solution

The fourth proportional to 30,942.75, 46,339.61 and 19,814.97 is: 29,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.75 : 46,339.61 = 19,814.97 : x
  2. Step 2: Convert to fraction form
    30,942.75/46,339.61 = 19,814.97/x
  3. Step 3: Cross multiply
    30,942.75x = 46,339.61 × 19,814.97
  4. Step 4: Simplify right side
    30,942.75x = 918,217,882.89
  5. Step 5: Solve for x
    x = 918,217,882.89/30,942.75
  6. Step 6: Final answer
    x = 29,674.73

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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.