Home / 65,830.51-90,845.85-35,615.73

Finding the Fourth Proportional to 65,830.51, 90,845.85 and 35,615.73

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Solution

The fourth proportional to 65,830.51, 90,845.85 and 35,615.73 is: 49,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.51 : 90,845.85 = 35,615.73 : x
  2. Step 2: Convert to fraction form
    65,830.51/90,845.85 = 35,615.73/x
  3. Step 3: Cross multiply
    65,830.51x = 90,845.85 × 35,615.73
  4. Step 4: Simplify right side
    65,830.51x = 3,235,541,265.22
  5. Step 5: Solve for x
    x = 3,235,541,265.22/65,830.51
  6. Step 6: Final answer
    x = 49,149.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.