Home / 57,383.48-86,071.87-25,785.38

Finding the Fourth Proportional to 57,383.48, 86,071.87 and 25,785.38

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Solution

The fourth proportional to 57,383.48, 86,071.87 and 25,785.38 is: 38,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.48 : 86,071.87 = 25,785.38 : x
  2. Step 2: Convert to fraction form
    57,383.48/86,071.87 = 25,785.38/x
  3. Step 3: Cross multiply
    57,383.48x = 86,071.87 × 25,785.38
  4. Step 4: Simplify right side
    57,383.48x = 2,219,395,875.26
  5. Step 5: Solve for x
    x = 2,219,395,875.26/57,383.48
  6. Step 6: Final answer
    x = 38,676.56

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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.