Home / 50,489.10-75,648.60-39,918.60

Finding the Fourth Proportional to 50,489.10, 75,648.60 and 39,918.60

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Solution

The fourth proportional to 50,489.10, 75,648.60 and 39,918.60 is: 59,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.10 : 75,648.60 = 39,918.60 : x
  2. Step 2: Convert to fraction form
    50,489.10/75,648.60 = 39,918.60/x
  3. Step 3: Cross multiply
    50,489.10x = 75,648.60 × 39,918.60
  4. Step 4: Simplify right side
    50,489.10x = 3,019,786,203.96
  5. Step 5: Solve for x
    x = 3,019,786,203.96/50,489.10
  6. Step 6: Final answer
    x = 59,810.66

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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.