Home / 54,751.04-82,126.56-21,896

Finding the Fourth Proportional to 54,751.04, 82,126.56 and 21,896

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Solution

The fourth proportional to 54,751.04, 82,126.56 and 21,896 is: 32,844

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.04 : 82,126.56 = 21,896 : x
  2. Step 2: Convert to fraction form
    54,751.04/82,126.56 = 21,896/x
  3. Step 3: Cross multiply
    54,751.04x = 82,126.56 × 21,896
  4. Step 4: Simplify right side
    54,751.04x = 1,798,243,157.76
  5. Step 5: Solve for x
    x = 1,798,243,157.76/54,751.04
  6. Step 6: Final answer
    x = 32,844

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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.