Home / 35,196.94-52,721.96-21,112.30

Finding the Fourth Proportional to 35,196.94, 52,721.96 and 21,112.30

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Solution

The fourth proportional to 35,196.94, 52,721.96 and 21,112.30 is: 31,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,196.94 : 52,721.96 = 21,112.30 : x
  2. Step 2: Convert to fraction form
    35,196.94/52,721.96 = 21,112.30/x
  3. Step 3: Cross multiply
    35,196.94x = 52,721.96 × 21,112.30
  4. Step 4: Simplify right side
    35,196.94x = 1,113,081,836.11
  5. Step 5: Solve for x
    x = 1,113,081,836.11/35,196.94
  6. Step 6: Final answer
    x = 31,624.39

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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.