Home / 31,851.44-43,953-17,704.04

Finding the Fourth Proportional to 31,851.44, 43,953 and 17,704.04

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Solution

The fourth proportional to 31,851.44, 43,953 and 17,704.04 is: 24,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.44 : 43,953 = 17,704.04 : x
  2. Step 2: Convert to fraction form
    31,851.44/43,953 = 17,704.04/x
  3. Step 3: Cross multiply
    31,851.44x = 43,953 × 17,704.04
  4. Step 4: Simplify right side
    31,851.44x = 778,145,670.12
  5. Step 5: Solve for x
    x = 778,145,670.12/31,851.44
  6. Step 6: Final answer
    x = 24,430.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.