Home / 35,872.87-53,809.36-17,148.51

Finding the Fourth Proportional to 35,872.87, 53,809.36 and 17,148.51

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Solution

The fourth proportional to 35,872.87, 53,809.36 and 17,148.51 is: 25,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.87 : 53,809.36 = 17,148.51 : x
  2. Step 2: Convert to fraction form
    35,872.87/53,809.36 = 17,148.51/x
  3. Step 3: Cross multiply
    35,872.87x = 53,809.36 × 17,148.51
  4. Step 4: Simplify right side
    35,872.87x = 922,749,993.26
  5. Step 5: Solve for x
    x = 922,749,993.26/35,872.87
  6. Step 6: Final answer
    x = 25,722.78

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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.