Home / 43,034.04-64,554.28-11,869

Finding the Fourth Proportional to 43,034.04, 64,554.28 and 11,869

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Solution

The fourth proportional to 43,034.04, 64,554.28 and 11,869 is: 17,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,034.04 : 64,554.28 = 11,869 : x
  2. Step 2: Convert to fraction form
    43,034.04/64,554.28 = 11,869/x
  3. Step 3: Cross multiply
    43,034.04x = 64,554.28 × 11,869
  4. Step 4: Simplify right side
    43,034.04x = 766,194,749.32
  5. Step 5: Solve for x
    x = 766,194,749.32/43,034.04
  6. Step 6: Final answer
    x = 17,804.39

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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.