Home / 38,148.05-57,224.59-13,190.51

Finding the Fourth Proportional to 38,148.05, 57,224.59 and 13,190.51

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Solution

The fourth proportional to 38,148.05, 57,224.59 and 13,190.51 is: 19,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.05 : 57,224.59 = 13,190.51 : x
  2. Step 2: Convert to fraction form
    38,148.05/57,224.59 = 13,190.51/x
  3. Step 3: Cross multiply
    38,148.05x = 57,224.59 × 13,190.51
  4. Step 4: Simplify right side
    38,148.05x = 754,821,526.64
  5. Step 5: Solve for x
    x = 754,821,526.64/38,148.05
  6. Step 6: Final answer
    x = 19,786.63

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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.