Home / 30,771.19-46,170.63-18,942.94

Finding the Fourth Proportional to 30,771.19, 46,170.63 and 18,942.94

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Solution

The fourth proportional to 30,771.19, 46,170.63 and 18,942.94 is: 28,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.19 : 46,170.63 = 18,942.94 : x
  2. Step 2: Convert to fraction form
    30,771.19/46,170.63 = 18,942.94/x
  3. Step 3: Cross multiply
    30,771.19x = 46,170.63 × 18,942.94
  4. Step 4: Simplify right side
    30,771.19x = 874,607,531.57
  5. Step 5: Solve for x
    x = 874,607,531.57/30,771.19
  6. Step 6: Final answer
    x = 28,422.93

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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.