Home / 36,045.51-54,069.76-12,369.33

Finding the Fourth Proportional to 36,045.51, 54,069.76 and 12,369.33

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Solution

The fourth proportional to 36,045.51, 54,069.76 and 12,369.33 is: 18,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.51 : 54,069.76 = 12,369.33 : x
  2. Step 2: Convert to fraction form
    36,045.51/54,069.76 = 12,369.33/x
  3. Step 3: Cross multiply
    36,045.51x = 54,069.76 × 12,369.33
  4. Step 4: Simplify right side
    36,045.51x = 668,806,845.90
  5. Step 5: Solve for x
    x = 668,806,845.90/36,045.51
  6. Step 6: Final answer
    x = 18,554.51

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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.