Home / 53,211.39-79,817.09-18,151.35

Finding the Fourth Proportional to 53,211.39, 79,817.09 and 18,151.35

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Solution

The fourth proportional to 53,211.39, 79,817.09 and 18,151.35 is: 27,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.39 : 79,817.09 = 18,151.35 : x
  2. Step 2: Convert to fraction form
    53,211.39/79,817.09 = 18,151.35/x
  3. Step 3: Cross multiply
    53,211.39x = 79,817.09 × 18,151.35
  4. Step 4: Simplify right side
    53,211.39x = 1,448,787,936.57
  5. Step 5: Solve for x
    x = 1,448,787,936.57/53,211.39
  6. Step 6: Final answer
    x = 27,227.03

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1.5x scale

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.