Home / 61,201.63-91,811.70-21,749.37

Finding the Fourth Proportional to 61,201.63, 91,811.70 and 21,749.37

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Solution

The fourth proportional to 61,201.63, 91,811.70 and 21,749.37 is: 32,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.63 : 91,811.70 = 21,749.37 : x
  2. Step 2: Convert to fraction form
    61,201.63/91,811.70 = 21,749.37/x
  3. Step 3: Cross multiply
    61,201.63x = 91,811.70 × 21,749.37
  4. Step 4: Simplify right side
    61,201.63x = 1,996,846,065.82
  5. Step 5: Solve for x
    x = 1,996,846,065.82/61,201.63
  6. Step 6: Final answer
    x = 32,627.33

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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.