Home / 38,110.53-57,165.83-15,911.81

Finding the Fourth Proportional to 38,110.53, 57,165.83 and 15,911.81

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Solution

The fourth proportional to 38,110.53, 57,165.83 and 15,911.81 is: 23,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.53 : 57,165.83 = 15,911.81 : x
  2. Step 2: Convert to fraction form
    38,110.53/57,165.83 = 15,911.81/x
  3. Step 3: Cross multiply
    38,110.53x = 57,165.83 × 15,911.81
  4. Step 4: Simplify right side
    38,110.53x = 909,611,460.06
  5. Step 5: Solve for x
    x = 909,611,460.06/38,110.53
  6. Step 6: Final answer
    x = 23,867.72

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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.