Home / 35,165.20-52,744.15-18,518.49

Finding the Fourth Proportional to 35,165.20, 52,744.15 and 18,518.49

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Solution

The fourth proportional to 35,165.20, 52,744.15 and 18,518.49 is: 27,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,165.20 : 52,744.15 = 18,518.49 : x
  2. Step 2: Convert to fraction form
    35,165.20/52,744.15 = 18,518.49/x
  3. Step 3: Cross multiply
    35,165.20x = 52,744.15 × 18,518.49
  4. Step 4: Simplify right side
    35,165.20x = 976,742,014.33
  5. Step 5: Solve for x
    x = 976,742,014.33/35,165.20
  6. Step 6: Final answer
    x = 27,775.81

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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.