Home / 35,165.42-52,742.43-12,989.24

Finding the Fourth Proportional to 35,165.42, 52,742.43 and 12,989.24

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Solution

The fourth proportional to 35,165.42, 52,742.43 and 12,989.24 is: 19,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,165.42 : 52,742.43 = 12,989.24 : x
  2. Step 2: Convert to fraction form
    35,165.42/52,742.43 = 12,989.24/x
  3. Step 3: Cross multiply
    35,165.42x = 52,742.43 × 12,989.24
  4. Step 4: Simplify right side
    35,165.42x = 685,083,817.74
  5. Step 5: Solve for x
    x = 685,083,817.74/35,165.42
  6. Step 6: Final answer
    x = 19,481.75

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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.