Home / 46,522.80-69,771.78-20,221.29

Finding the Fourth Proportional to 46,522.80, 69,771.78 and 20,221.29

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Solution

The fourth proportional to 46,522.80, 69,771.78 and 20,221.29 is: 30,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,522.80 : 69,771.78 = 20,221.29 : x
  2. Step 2: Convert to fraction form
    46,522.80/69,771.78 = 20,221.29/x
  3. Step 3: Cross multiply
    46,522.80x = 69,771.78 × 20,221.29
  4. Step 4: Simplify right side
    46,522.80x = 1,410,875,397.20
  5. Step 5: Solve for x
    x = 1,410,875,397.20/46,522.80
  6. Step 6: Final answer
    x = 30,326.54

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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.