Home / 39,881.67-55,040.58-29,792.60

Finding the Fourth Proportional to 39,881.67, 55,040.58 and 29,792.60

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Solution

The fourth proportional to 39,881.67, 55,040.58 and 29,792.60 is: 41,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.67 : 55,040.58 = 29,792.60 : x
  2. Step 2: Convert to fraction form
    39,881.67/55,040.58 = 29,792.60/x
  3. Step 3: Cross multiply
    39,881.67x = 55,040.58 × 29,792.60
  4. Step 4: Simplify right side
    39,881.67x = 1,639,801,708.51
  5. Step 5: Solve for x
    x = 1,639,801,708.51/39,881.67
  6. Step 6: Final answer
    x = 41,116.68

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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.