Home / 39,986.48-59,969.26-11,899

Finding the Fourth Proportional to 39,986.48, 59,969.26 and 11,899

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Solution

The fourth proportional to 39,986.48, 59,969.26 and 11,899 is: 17,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.48 : 59,969.26 = 11,899 : x
  2. Step 2: Convert to fraction form
    39,986.48/59,969.26 = 11,899/x
  3. Step 3: Cross multiply
    39,986.48x = 59,969.26 × 11,899
  4. Step 4: Simplify right side
    39,986.48x = 713,574,224.74
  5. Step 5: Solve for x
    x = 713,574,224.74/39,986.48
  6. Step 6: Final answer
    x = 17,845.39

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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.