Home / 38,659.89-53,376.36-29,691.37

Finding the Fourth Proportional to 38,659.89, 53,376.36 and 29,691.37

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Solution

The fourth proportional to 38,659.89, 53,376.36 and 29,691.37 is: 40,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.89 : 53,376.36 = 29,691.37 : x
  2. Step 2: Convert to fraction form
    38,659.89/53,376.36 = 29,691.37/x
  3. Step 3: Cross multiply
    38,659.89x = 53,376.36 × 29,691.37
  4. Step 4: Simplify right side
    38,659.89x = 1,584,817,209.39
  5. Step 5: Solve for x
    x = 1,584,817,209.39/38,659.89
  6. Step 6: Final answer
    x = 40,993.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.