Home / 31,466.03-47,215.44-12,759.89

Finding the Fourth Proportional to 31,466.03, 47,215.44 and 12,759.89

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Solution

The fourth proportional to 31,466.03, 47,215.44 and 12,759.89 is: 19,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.03 : 47,215.44 = 12,759.89 : x
  2. Step 2: Convert to fraction form
    31,466.03/47,215.44 = 12,759.89/x
  3. Step 3: Cross multiply
    31,466.03x = 47,215.44 × 12,759.89
  4. Step 4: Simplify right side
    31,466.03x = 602,463,584.62
  5. Step 5: Solve for x
    x = 602,463,584.62/31,466.03
  6. Step 6: Final answer
    x = 19,146.48

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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.