Home / 54,858.07-82,287.10-19,311.02

Finding the Fourth Proportional to 54,858.07, 82,287.10 and 19,311.02

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Solution

The fourth proportional to 54,858.07, 82,287.10 and 19,311.02 is: 28,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.07 : 82,287.10 = 19,311.02 : x
  2. Step 2: Convert to fraction form
    54,858.07/82,287.10 = 19,311.02/x
  3. Step 3: Cross multiply
    54,858.07x = 82,287.10 × 19,311.02
  4. Step 4: Simplify right side
    54,858.07x = 1,589,047,833.84
  5. Step 5: Solve for x
    x = 1,589,047,833.84/54,858.07
  6. Step 6: Final answer
    x = 28,966.53

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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.