Home / 54,839.56-82,259.36-19,779.22

Finding the Fourth Proportional to 54,839.56, 82,259.36 and 19,779.22

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Solution

The fourth proportional to 54,839.56, 82,259.36 and 19,779.22 is: 29,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.56 : 82,259.36 = 19,779.22 : x
  2. Step 2: Convert to fraction form
    54,839.56/82,259.36 = 19,779.22/x
  3. Step 3: Cross multiply
    54,839.56x = 82,259.36 × 19,779.22
  4. Step 4: Simplify right side
    54,839.56x = 1,627,025,468.31
  5. Step 5: Solve for x
    x = 1,627,025,468.31/54,839.56
  6. Step 6: Final answer
    x = 29,668.83

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1.5x scale

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.