Home / 38,201.79-57,284.10-13,243.26

Finding the Fourth Proportional to 38,201.79, 57,284.10 and 13,243.26

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Solution

The fourth proportional to 38,201.79, 57,284.10 and 13,243.26 is: 19,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.79 : 57,284.10 = 13,243.26 : x
  2. Step 2: Convert to fraction form
    38,201.79/57,284.10 = 13,243.26/x
  3. Step 3: Cross multiply
    38,201.79x = 57,284.10 × 13,243.26
  4. Step 4: Simplify right side
    38,201.79x = 758,628,230.17
  5. Step 5: Solve for x
    x = 758,628,230.17/38,201.79
  6. Step 6: Final answer
    x = 19,858.45

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1.5x scale

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.