Home / 30,103.04-41,542.49-18,164.07

Finding the Fourth Proportional to 30,103.04, 41,542.49 and 18,164.07

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Solution

The fourth proportional to 30,103.04, 41,542.49 and 18,164.07 is: 25,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.04 : 41,542.49 = 18,164.07 : x
  2. Step 2: Convert to fraction form
    30,103.04/41,542.49 = 18,164.07/x
  3. Step 3: Cross multiply
    30,103.04x = 41,542.49 × 18,164.07
  4. Step 4: Simplify right side
    30,103.04x = 754,580,696.33
  5. Step 5: Solve for x
    x = 754,580,696.33/30,103.04
  6. Step 6: Final answer
    x = 25,066.59

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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.