Home / 35,608.36-53,408.46-9,315.64

Finding the Fourth Proportional to 35,608.36, 53,408.46 and 9,315.64

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Solution

The fourth proportional to 35,608.36, 53,408.46 and 9,315.64 is: 13,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.36 : 53,408.46 = 9,315.64 : x
  2. Step 2: Convert to fraction form
    35,608.36/53,408.46 = 9,315.64/x
  3. Step 3: Cross multiply
    35,608.36x = 53,408.46 × 9,315.64
  4. Step 4: Simplify right side
    35,608.36x = 497,533,986.31
  5. Step 5: Solve for x
    x = 497,533,986.31/35,608.36
  6. Step 6: Final answer
    x = 13,972.39

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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.