Home / 65,830.37-90,845.86-35,615.70

Finding the Fourth Proportional to 65,830.37, 90,845.86 and 35,615.70

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Solution

The fourth proportional to 65,830.37, 90,845.86 and 35,615.70 is: 49,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.37 : 90,845.86 = 35,615.70 : x
  2. Step 2: Convert to fraction form
    65,830.37/90,845.86 = 35,615.70/x
  3. Step 3: Cross multiply
    65,830.37x = 90,845.86 × 35,615.70
  4. Step 4: Simplify right side
    65,830.37x = 3,235,538,806.96
  5. Step 5: Solve for x
    x = 3,235,538,806.96/65,830.37
  6. Step 6: Final answer
    x = 49,149.64

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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.