Home / 30,704.40-46,051.64-10,979.60

Finding the Fourth Proportional to 30,704.40, 46,051.64 and 10,979.60

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Solution

The fourth proportional to 30,704.40, 46,051.64 and 10,979.60 is: 16,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.40 : 46,051.64 = 10,979.60 : x
  2. Step 2: Convert to fraction form
    30,704.40/46,051.64 = 10,979.60/x
  3. Step 3: Cross multiply
    30,704.40x = 46,051.64 × 10,979.60
  4. Step 4: Simplify right side
    30,704.40x = 505,628,586.54
  5. Step 5: Solve for x
    x = 505,628,586.54/30,704.40
  6. Step 6: Final answer
    x = 16,467.63

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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.