Home / 35,469.36-53,211.60-12,111.12

Finding the Fourth Proportional to 35,469.36, 53,211.60 and 12,111.12

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Solution

The fourth proportional to 35,469.36, 53,211.60 and 12,111.12 is: 18,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.36 : 53,211.60 = 12,111.12 : x
  2. Step 2: Convert to fraction form
    35,469.36/53,211.60 = 12,111.12/x
  3. Step 3: Cross multiply
    35,469.36x = 53,211.60 × 12,111.12
  4. Step 4: Simplify right side
    35,469.36x = 644,452,072.99
  5. Step 5: Solve for x
    x = 644,452,072.99/35,469.36
  6. Step 6: Final answer
    x = 18,169.26

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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.