Home / 30,858.30-46,285.13-11,136.86

Finding the Fourth Proportional to 30,858.30, 46,285.13 and 11,136.86

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Solution

The fourth proportional to 30,858.30, 46,285.13 and 11,136.86 is: 16,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.30 : 46,285.13 = 11,136.86 : x
  2. Step 2: Convert to fraction form
    30,858.30/46,285.13 = 11,136.86/x
  3. Step 3: Cross multiply
    30,858.30x = 46,285.13 × 11,136.86
  4. Step 4: Simplify right side
    30,858.30x = 515,471,012.89
  5. Step 5: Solve for x
    x = 515,471,012.89/30,858.30
  6. Step 6: Final answer
    x = 16,704.45

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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.