Home / 30,859.23-46,291.56-8,672.79

Finding the Fourth Proportional to 30,859.23, 46,291.56 and 8,672.79

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Solution

The fourth proportional to 30,859.23, 46,291.56 and 8,672.79 is: 13,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.23 : 46,291.56 = 8,672.79 : x
  2. Step 2: Convert to fraction form
    30,859.23/46,291.56 = 8,672.79/x
  3. Step 3: Cross multiply
    30,859.23x = 46,291.56 × 8,672.79
  4. Step 4: Simplify right side
    30,859.23x = 401,476,978.65
  5. Step 5: Solve for x
    x = 401,476,978.65/30,859.23
  6. Step 6: Final answer
    x = 13,009.95

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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.