Home / 39,696.90-54,803.97-29,680.26

Finding the Fourth Proportional to 39,696.90, 54,803.97 and 29,680.26

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Solution

The fourth proportional to 39,696.90, 54,803.97 and 29,680.26 is: 40,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696.90 : 54,803.97 = 29,680.26 : x
  2. Step 2: Convert to fraction form
    39,696.90/54,803.97 = 29,680.26/x
  3. Step 3: Cross multiply
    39,696.90x = 54,803.97 × 29,680.26
  4. Step 4: Simplify right side
    39,696.90x = 1,626,596,078.63
  5. Step 5: Solve for x
    x = 1,626,596,078.63/39,696.90
  6. Step 6: Final answer
    x = 40,975.39

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1.5x scale

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.