Home / 61,930.44-85,499.46-40,771.23

Finding the Fourth Proportional to 61,930.44, 85,499.46 and 40,771.23

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Solution

The fourth proportional to 61,930.44, 85,499.46 and 40,771.23 is: 56,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.44 : 85,499.46 = 40,771.23 : x
  2. Step 2: Convert to fraction form
    61,930.44/85,499.46 = 40,771.23/x
  3. Step 3: Cross multiply
    61,930.44x = 85,499.46 × 40,771.23
  4. Step 4: Simplify right side
    61,930.44x = 3,485,918,148.54
  5. Step 5: Solve for x
    x = 3,485,918,148.54/61,930.44
  6. Step 6: Final answer
    x = 56,287.64

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1.5x scale

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.