Home / 31,218.35-46,822.79-11,492.21

Finding the Fourth Proportional to 31,218.35, 46,822.79 and 11,492.21

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Solution

The fourth proportional to 31,218.35, 46,822.79 and 11,492.21 is: 17,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.35 : 46,822.79 = 11,492.21 : x
  2. Step 2: Convert to fraction form
    31,218.35/46,822.79 = 11,492.21/x
  3. Step 3: Cross multiply
    31,218.35x = 46,822.79 × 11,492.21
  4. Step 4: Simplify right side
    31,218.35x = 538,097,481.25
  5. Step 5: Solve for x
    x = 538,097,481.25/31,218.35
  6. Step 6: Final answer
    x = 17,236.58

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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.