Home / 35,408.76-53,120.10-11,715.36

Finding the Fourth Proportional to 35,408.76, 53,120.10 and 11,715.36

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Solution

The fourth proportional to 35,408.76, 53,120.10 and 11,715.36 is: 17,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.76 : 53,120.10 = 11,715.36 : x
  2. Step 2: Convert to fraction form
    35,408.76/53,120.10 = 11,715.36/x
  3. Step 3: Cross multiply
    35,408.76x = 53,120.10 × 11,715.36
  4. Step 4: Simplify right side
    35,408.76x = 622,321,094.74
  5. Step 5: Solve for x
    x = 622,321,094.74/35,408.76
  6. Step 6: Final answer
    x = 17,575.34

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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.