Home / 65,609.58-98,429.99-21,236.34

Finding the Fourth Proportional to 65,609.58, 98,429.99 and 21,236.34

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Solution

The fourth proportional to 65,609.58, 98,429.99 and 21,236.34 is: 31,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609.58 : 98,429.99 = 21,236.34 : x
  2. Step 2: Convert to fraction form
    65,609.58/98,429.99 = 21,236.34/x
  3. Step 3: Cross multiply
    65,609.58x = 98,429.99 × 21,236.34
  4. Step 4: Simplify right side
    65,609.58x = 2,090,292,733.84
  5. Step 5: Solve for x
    x = 2,090,292,733.84/65,609.58
  6. Step 6: Final answer
    x = 31,859.57

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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.