Home / 64,536.78-96,810.12-17,789.34

Finding the Fourth Proportional to 64,536.78, 96,810.12 and 17,789.34

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Solution

The fourth proportional to 64,536.78, 96,810.12 and 17,789.34 is: 26,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.78 : 96,810.12 = 17,789.34 : x
  2. Step 2: Convert to fraction form
    64,536.78/96,810.12 = 17,789.34/x
  3. Step 3: Cross multiply
    64,536.78x = 96,810.12 × 17,789.34
  4. Step 4: Simplify right side
    64,536.78x = 1,722,188,140.12
  5. Step 5: Solve for x
    x = 1,722,188,140.12/64,536.78
  6. Step 6: Final answer
    x = 26,685.37

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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.