Home / 31,190.21-46,788.26-8,702.38

Finding the Fourth Proportional to 31,190.21, 46,788.26 and 8,702.38

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Solution

The fourth proportional to 31,190.21, 46,788.26 and 8,702.38 is: 13,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.21 : 46,788.26 = 8,702.38 : x
  2. Step 2: Convert to fraction form
    31,190.21/46,788.26 = 8,702.38/x
  3. Step 3: Cross multiply
    31,190.21x = 46,788.26 × 8,702.38
  4. Step 4: Simplify right side
    31,190.21x = 407,169,218.06
  5. Step 5: Solve for x
    x = 407,169,218.06/31,190.21
  6. Step 6: Final answer
    x = 13,054.39

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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.