Home / 38,481.23-53,103.83-21,484.50

Finding the Fourth Proportional to 38,481.23, 53,103.83 and 21,484.50

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Solution

The fourth proportional to 38,481.23, 53,103.83 and 21,484.50 is: 29,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.23 : 53,103.83 = 21,484.50 : x
  2. Step 2: Convert to fraction form
    38,481.23/53,103.83 = 21,484.50/x
  3. Step 3: Cross multiply
    38,481.23x = 53,103.83 × 21,484.50
  4. Step 4: Simplify right side
    38,481.23x = 1,140,909,128.21
  5. Step 5: Solve for x
    x = 1,140,909,128.21/38,481.23
  6. Step 6: Final answer
    x = 29,648.46

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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.