Home / 31,271.32-46,906.48-7,897.60

Finding the Fourth Proportional to 31,271.32, 46,906.48 and 7,897.60

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Solution

The fourth proportional to 31,271.32, 46,906.48 and 7,897.60 is: 11,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.32 : 46,906.48 = 7,897.60 : x
  2. Step 2: Convert to fraction form
    31,271.32/46,906.48 = 7,897.60/x
  3. Step 3: Cross multiply
    31,271.32x = 46,906.48 × 7,897.60
  4. Step 4: Simplify right side
    31,271.32x = 370,448,616.45
  5. Step 5: Solve for x
    x = 370,448,616.45/31,271.32
  6. Step 6: Final answer
    x = 11,846.27

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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.