Home / 30,721.00-46,081.45-9,662.89

Finding the Fourth Proportional to 30,721.00, 46,081.45 and 9,662.89

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Solution

The fourth proportional to 30,721.00, 46,081.45 and 9,662.89 is: 14,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.00 : 46,081.45 = 9,662.89 : x
  2. Step 2: Convert to fraction form
    30,721.00/46,081.45 = 9,662.89/x
  3. Step 3: Cross multiply
    30,721.00x = 46,081.45 × 9,662.89
  4. Step 4: Simplify right side
    30,721.00x = 445,279,843.03
  5. Step 5: Solve for x
    x = 445,279,843.03/30,721.00
  6. Step 6: Final answer
    x = 14,494.32

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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.