Home / 39,656.48-54,725.04-21,751.52

Finding the Fourth Proportional to 39,656.48, 54,725.04 and 21,751.52

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Solution

The fourth proportional to 39,656.48, 54,725.04 and 21,751.52 is: 30,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.48 : 54,725.04 = 21,751.52 : x
  2. Step 2: Convert to fraction form
    39,656.48/54,725.04 = 21,751.52/x
  3. Step 3: Cross multiply
    39,656.48x = 54,725.04 × 21,751.52
  4. Step 4: Simplify right side
    39,656.48x = 1,190,352,802.06
  5. Step 5: Solve for x
    x = 1,190,352,802.06/39,656.48
  6. Step 6: Final answer
    x = 30,016.60

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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.