Home / 46,479.36-69,679.86-20,164.26

Finding the Fourth Proportional to 46,479.36, 69,679.86 and 20,164.26

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Solution

The fourth proportional to 46,479.36, 69,679.86 and 20,164.26 is: 30,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479.36 : 69,679.86 = 20,164.26 : x
  2. Step 2: Convert to fraction form
    46,479.36/69,679.86 = 20,164.26/x
  3. Step 3: Cross multiply
    46,479.36x = 69,679.86 × 20,164.26
  4. Step 4: Simplify right side
    46,479.36x = 1,405,042,813.80
  5. Step 5: Solve for x
    x = 1,405,042,813.80/46,479.36
  6. Step 6: Final answer
    x = 30,229.39

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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.