Home / 35,183.84-52,742.95-12,991.25

Finding the Fourth Proportional to 35,183.84, 52,742.95 and 12,991.25

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Solution

The fourth proportional to 35,183.84, 52,742.95 and 12,991.25 is: 19,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,183.84 : 52,742.95 = 12,991.25 : x
  2. Step 2: Convert to fraction form
    35,183.84/52,742.95 = 12,991.25/x
  3. Step 3: Cross multiply
    35,183.84x = 52,742.95 × 12,991.25
  4. Step 4: Simplify right side
    35,183.84x = 685,196,948.57
  5. Step 5: Solve for x
    x = 685,196,948.57/35,183.84
  6. Step 6: Final answer
    x = 19,474.77

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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.