Home / 19,819.51-29,729.36-5,028.46

Finding the Fourth Proportional to 19,819.51, 29,729.36 and 5,028.46

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Solution

The fourth proportional to 19,819.51, 29,729.36 and 5,028.46 is: 7,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.51 : 29,729.36 = 5,028.46 : x
  2. Step 2: Convert to fraction form
    19,819.51/29,729.36 = 5,028.46/x
  3. Step 3: Cross multiply
    19,819.51x = 29,729.36 × 5,028.46
  4. Step 4: Simplify right side
    19,819.51x = 149,492,897.59
  5. Step 5: Solve for x
    x = 149,492,897.59/19,819.51
  6. Step 6: Final answer
    x = 7,542.71

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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.