Home / 38,553.31-57,830.37-13,588.70

Finding the Fourth Proportional to 38,553.31, 57,830.37 and 13,588.70

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Solution

The fourth proportional to 38,553.31, 57,830.37 and 13,588.70 is: 20,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.31 : 57,830.37 = 13,588.70 : x
  2. Step 2: Convert to fraction form
    38,553.31/57,830.37 = 13,588.70/x
  3. Step 3: Cross multiply
    38,553.31x = 57,830.37 × 13,588.70
  4. Step 4: Simplify right side
    38,553.31x = 785,839,693.39
  5. Step 5: Solve for x
    x = 785,839,693.39/38,553.31
  6. Step 6: Final answer
    x = 20,383.20

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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.