Home / 55,258.70-82,896.28-19,717.25

Finding the Fourth Proportional to 55,258.70, 82,896.28 and 19,717.25

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Solution

The fourth proportional to 55,258.70, 82,896.28 and 19,717.25 is: 29,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.70 : 82,896.28 = 19,717.25 : x
  2. Step 2: Convert to fraction form
    55,258.70/82,896.28 = 19,717.25/x
  3. Step 3: Cross multiply
    55,258.70x = 82,896.28 × 19,717.25
  4. Step 4: Simplify right side
    55,258.70x = 1,634,486,213.06
  5. Step 5: Solve for x
    x = 1,634,486,213.06/55,258.70
  6. Step 6: Final answer
    x = 29,578.81

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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.