Home / 38,971.82-53,781.63-23,055.86

Finding the Fourth Proportional to 38,971.82, 53,781.63 and 23,055.86

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Solution

The fourth proportional to 38,971.82, 53,781.63 and 23,055.86 is: 31,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.82 : 53,781.63 = 23,055.86 : x
  2. Step 2: Convert to fraction form
    38,971.82/53,781.63 = 23,055.86/x
  3. Step 3: Cross multiply
    38,971.82x = 53,781.63 × 23,055.86
  4. Step 4: Simplify right side
    38,971.82x = 1,239,981,731.85
  5. Step 5: Solve for x
    x = 1,239,981,731.85/38,971.82
  6. Step 6: Final answer
    x = 31,817.39

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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.