Home / 64,759.70-97,145.04-18,012.57

Finding the Fourth Proportional to 64,759.70, 97,145.04 and 18,012.57

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Solution

The fourth proportional to 64,759.70, 97,145.04 and 18,012.57 is: 27,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.70 : 97,145.04 = 18,012.57 : x
  2. Step 2: Convert to fraction form
    64,759.70/97,145.04 = 18,012.57/x
  3. Step 3: Cross multiply
    64,759.70x = 97,145.04 × 18,012.57
  4. Step 4: Simplify right side
    64,759.70x = 1,749,831,833.15
  5. Step 5: Solve for x
    x = 1,749,831,833.15/64,759.70
  6. Step 6: Final answer
    x = 27,020.38

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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.