Home / 35,745.24-53,585.05-12,355.28

Finding the Fourth Proportional to 35,745.24, 53,585.05 and 12,355.28

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Solution

The fourth proportional to 35,745.24, 53,585.05 and 12,355.28 is: 18,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.24 : 53,585.05 = 12,355.28 : x
  2. Step 2: Convert to fraction form
    35,745.24/53,585.05 = 12,355.28/x
  3. Step 3: Cross multiply
    35,745.24x = 53,585.05 × 12,355.28
  4. Step 4: Simplify right side
    35,745.24x = 662,058,296.56
  5. Step 5: Solve for x
    x = 662,058,296.56/35,745.24
  6. Step 6: Final answer
    x = 18,521.58

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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.