Home / 39,129.09-53,913.65-26,531.97

Finding the Fourth Proportional to 39,129.09, 53,913.65 and 26,531.97

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Solution

The fourth proportional to 39,129.09, 53,913.65 and 26,531.97 is: 36,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.09 : 53,913.65 = 26,531.97 : x
  2. Step 2: Convert to fraction form
    39,129.09/53,913.65 = 26,531.97/x
  3. Step 3: Cross multiply
    39,129.09x = 53,913.65 × 26,531.97
  4. Step 4: Simplify right side
    39,129.09x = 1,430,435,211.73
  5. Step 5: Solve for x
    x = 1,430,435,211.73/39,129.09
  6. Step 6: Final answer
    x = 36,556.82

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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.