Home / 51,128.97-76,683.74-17,396.52

Finding the Fourth Proportional to 51,128.97, 76,683.74 and 17,396.52

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Solution

The fourth proportional to 51,128.97, 76,683.74 and 17,396.52 is: 26,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.97 : 76,683.74 = 17,396.52 : x
  2. Step 2: Convert to fraction form
    51,128.97/76,683.74 = 17,396.52/x
  3. Step 3: Cross multiply
    51,128.97x = 76,683.74 × 17,396.52
  4. Step 4: Simplify right side
    51,128.97x = 1,334,030,129.60
  5. Step 5: Solve for x
    x = 1,334,030,129.60/51,128.97
  6. Step 6: Final answer
    x = 26,091.47

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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.