Home / 38,149.14-57,222.48-11,495.28

Finding the Fourth Proportional to 38,149.14, 57,222.48 and 11,495.28

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Solution

The fourth proportional to 38,149.14, 57,222.48 and 11,495.28 is: 17,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.14 : 57,222.48 = 11,495.28 : x
  2. Step 2: Convert to fraction form
    38,149.14/57,222.48 = 11,495.28/x
  3. Step 3: Cross multiply
    38,149.14x = 57,222.48 × 11,495.28
  4. Step 4: Simplify right side
    38,149.14x = 657,788,429.89
  5. Step 5: Solve for x
    x = 657,788,429.89/38,149.14
  6. Step 6: Final answer
    x = 17,242.55

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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.