Home / 35,140.92-52,703.10-12,942.24

Finding the Fourth Proportional to 35,140.92, 52,703.10 and 12,942.24

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Solution

The fourth proportional to 35,140.92, 52,703.10 and 12,942.24 is: 19,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.92 : 52,703.10 = 12,942.24 : x
  2. Step 2: Convert to fraction form
    35,140.92/52,703.10 = 12,942.24/x
  3. Step 3: Cross multiply
    35,140.92x = 52,703.10 × 12,942.24
  4. Step 4: Simplify right side
    35,140.92x = 682,096,168.94
  5. Step 5: Solve for x
    x = 682,096,168.94/35,140.92
  6. Step 6: Final answer
    x = 19,410.31

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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.