Home / 54,810.08-82,219.88-19,268.36

Finding the Fourth Proportional to 54,810.08, 82,219.88 and 19,268.36

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Solution

The fourth proportional to 54,810.08, 82,219.88 and 19,268.36 is: 28,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.08 : 82,219.88 = 19,268.36 : x
  2. Step 2: Convert to fraction form
    54,810.08/82,219.88 = 19,268.36/x
  3. Step 3: Cross multiply
    54,810.08x = 82,219.88 × 19,268.36
  4. Step 4: Simplify right side
    54,810.08x = 1,584,242,247.00
  5. Step 5: Solve for x
    x = 1,584,242,247.00/54,810.08
  6. Step 6: Final answer
    x = 28,904.21

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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.