Home / 38,659.88-58,015.80-13,699.84

Finding the Fourth Proportional to 38,659.88, 58,015.80 and 13,699.84

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Solution

The fourth proportional to 38,659.88, 58,015.80 and 13,699.84 is: 20,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.88 : 58,015.80 = 13,699.84 : x
  2. Step 2: Convert to fraction form
    38,659.88/58,015.80 = 13,699.84/x
  3. Step 3: Cross multiply
    38,659.88x = 58,015.80 × 13,699.84
  4. Step 4: Simplify right side
    38,659.88x = 794,807,177.47
  5. Step 5: Solve for x
    x = 794,807,177.47/38,659.88
  6. Step 6: Final answer
    x = 20,558.97

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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.