Home / 74,601.69-111,906.26-21,301.58

Finding the Fourth Proportional to 74,601.69, 111,906.26 and 21,301.58

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Solution

The fourth proportional to 74,601.69, 111,906.26 and 21,301.58 is: 31,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,601.69 : 111,906.26 = 21,301.58 : x
  2. Step 2: Convert to fraction form
    74,601.69/111,906.26 = 21,301.58/x
  3. Step 3: Cross multiply
    74,601.69x = 111,906.26 × 21,301.58
  4. Step 4: Simplify right side
    74,601.69x = 2,383,779,483.85
  5. Step 5: Solve for x
    x = 2,383,779,483.85/74,601.69
  6. Step 6: Final answer
    x = 31,953.42

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1.5x scale

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.