Home / 57,709.73-86,553.65-20,261.00

Finding the Fourth Proportional to 57,709.73, 86,553.65 and 20,261.00

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Solution

The fourth proportional to 57,709.73, 86,553.65 and 20,261.00 is: 30,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.73 : 86,553.65 = 20,261.00 : x
  2. Step 2: Convert to fraction form
    57,709.73/86,553.65 = 20,261.00/x
  3. Step 3: Cross multiply
    57,709.73x = 86,553.65 × 20,261.00
  4. Step 4: Simplify right side
    57,709.73x = 1,753,662,968.58
  5. Step 5: Solve for x
    x = 1,753,662,968.58/57,709.73
  6. Step 6: Final answer
    x = 30,387.65

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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.