Home / 51,856.36-71,540.48-38,460.58

Finding the Fourth Proportional to 51,856.36, 71,540.48 and 38,460.58

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Solution

The fourth proportional to 51,856.36, 71,540.48 and 38,460.58 is: 53,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,856.36 : 71,540.48 = 38,460.58 : x
  2. Step 2: Convert to fraction form
    51,856.36/71,540.48 = 38,460.58/x
  3. Step 3: Cross multiply
    51,856.36x = 71,540.48 × 38,460.58
  4. Step 4: Simplify right side
    51,856.36x = 2,751,488,354.28
  5. Step 5: Solve for x
    x = 2,751,488,354.28/51,856.36
  6. Step 6: Final answer
    x = 53,059.81

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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.