Home / 54,917.80-75,779.78-38,996.44

Finding the Fourth Proportional to 54,917.80, 75,779.78 and 38,996.44

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Solution

The fourth proportional to 54,917.80, 75,779.78 and 38,996.44 is: 53,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.80 : 75,779.78 = 38,996.44 : x
  2. Step 2: Convert to fraction form
    54,917.80/75,779.78 = 38,996.44/x
  3. Step 3: Cross multiply
    54,917.80x = 75,779.78 × 38,996.44
  4. Step 4: Simplify right side
    54,917.80x = 2,955,141,643.98
  5. Step 5: Solve for x
    x = 2,955,141,643.98/54,917.80
  6. Step 6: Final answer
    x = 53,810.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.