Home / 54,628.50-81,937.26-39,866.25

Finding the Fourth Proportional to 54,628.50, 81,937.26 and 39,866.25

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Solution

The fourth proportional to 54,628.50, 81,937.26 and 39,866.25 is: 59,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.50 : 81,937.26 = 39,866.25 : x
  2. Step 2: Convert to fraction form
    54,628.50/81,937.26 = 39,866.25/x
  3. Step 3: Cross multiply
    54,628.50x = 81,937.26 × 39,866.25
  4. Step 4: Simplify right side
    54,628.50x = 3,266,531,291.48
  5. Step 5: Solve for x
    x = 3,266,531,291.48/54,628.50
  6. Step 6: Final answer
    x = 59,795.37

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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.