Home / 31,218.75-46,832.79-11,495.79

Finding the Fourth Proportional to 31,218.75, 46,832.79 and 11,495.79

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Solution

The fourth proportional to 31,218.75, 46,832.79 and 11,495.79 is: 17,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.75 : 46,832.79 = 11,495.79 : x
  2. Step 2: Convert to fraction form
    31,218.75/46,832.79 = 11,495.79/x
  3. Step 3: Cross multiply
    31,218.75x = 46,832.79 × 11,495.79
  4. Step 4: Simplify right side
    31,218.75x = 538,379,918.95
  5. Step 5: Solve for x
    x = 538,379,918.95/31,218.75
  6. Step 6: Final answer
    x = 17,245.40

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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.