Home / 39,975.60-59,963.88-11,895

Finding the Fourth Proportional to 39,975.60, 59,963.88 and 11,895

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Solution

The fourth proportional to 39,975.60, 59,963.88 and 11,895 is: 17,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.60 : 59,963.88 = 11,895 : x
  2. Step 2: Convert to fraction form
    39,975.60/59,963.88 = 11,895/x
  3. Step 3: Cross multiply
    39,975.60x = 59,963.88 × 11,895
  4. Step 4: Simplify right side
    39,975.60x = 713,270,352.60
  5. Step 5: Solve for x
    x = 713,270,352.60/39,975.60
  6. Step 6: Final answer
    x = 17,842.64

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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.