Home / 35,311.48-52,974.06-11,939.56

Finding the Fourth Proportional to 35,311.48, 52,974.06 and 11,939.56

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Solution

The fourth proportional to 35,311.48, 52,974.06 and 11,939.56 is: 17,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.48 : 52,974.06 = 11,939.56 : x
  2. Step 2: Convert to fraction form
    35,311.48/52,974.06 = 11,939.56/x
  3. Step 3: Cross multiply
    35,311.48x = 52,974.06 × 11,939.56
  4. Step 4: Simplify right side
    35,311.48x = 632,486,967.81
  5. Step 5: Solve for x
    x = 632,486,967.81/35,311.48
  6. Step 6: Final answer
    x = 17,911.65

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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.