Home / 35,147.42-52,721.73-12,949.37

Finding the Fourth Proportional to 35,147.42, 52,721.73 and 12,949.37

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Solution

The fourth proportional to 35,147.42, 52,721.73 and 12,949.37 is: 19,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.42 : 52,721.73 = 12,949.37 : x
  2. Step 2: Convert to fraction form
    35,147.42/52,721.73 = 12,949.37/x
  3. Step 3: Cross multiply
    35,147.42x = 52,721.73 × 12,949.37
  4. Step 4: Simplify right side
    35,147.42x = 682,713,188.81
  5. Step 5: Solve for x
    x = 682,713,188.81/35,147.42
  6. Step 6: Final answer
    x = 19,424.28

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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.