Home / 30,748.94-46,122.60-8,561.42

Finding the Fourth Proportional to 30,748.94, 46,122.60 and 8,561.42

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Solution

The fourth proportional to 30,748.94, 46,122.60 and 8,561.42 is: 12,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.94 : 46,122.60 = 8,561.42 : x
  2. Step 2: Convert to fraction form
    30,748.94/46,122.60 = 8,561.42/x
  3. Step 3: Cross multiply
    30,748.94x = 46,122.60 × 8,561.42
  4. Step 4: Simplify right side
    30,748.94x = 394,874,950.09
  5. Step 5: Solve for x
    x = 394,874,950.09/30,748.94
  6. Step 6: Final answer
    x = 12,841.90

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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.