Home / 35,418.21-53,118.81-10,451.51

Finding the Fourth Proportional to 35,418.21, 53,118.81 and 10,451.51

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Solution

The fourth proportional to 35,418.21, 53,118.81 and 10,451.51 is: 15,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.21 : 53,118.81 = 10,451.51 : x
  2. Step 2: Convert to fraction form
    35,418.21/53,118.81 = 10,451.51/x
  3. Step 3: Cross multiply
    35,418.21x = 53,118.81 × 10,451.51
  4. Step 4: Simplify right side
    35,418.21x = 555,171,906.70
  5. Step 5: Solve for x
    x = 555,171,906.70/35,418.21
  6. Step 6: Final answer
    x = 15,674.76

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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.