Home / 35,391.21-53,078.31-10,424.51

Finding the Fourth Proportional to 35,391.21, 53,078.31 and 10,424.51

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Solution

The fourth proportional to 35,391.21, 53,078.31 and 10,424.51 is: 15,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.21 : 53,078.31 = 10,424.51 : x
  2. Step 2: Convert to fraction form
    35,391.21/53,078.31 = 10,424.51/x
  3. Step 3: Cross multiply
    35,391.21x = 53,078.31 × 10,424.51
  4. Step 4: Simplify right side
    35,391.21x = 553,315,506.07
  5. Step 5: Solve for x
    x = 553,315,506.07/35,391.21
  6. Step 6: Final answer
    x = 15,634.26

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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.