Home / 55,661.44-76,886.40-41,489.68

Finding the Fourth Proportional to 55,661.44, 76,886.40 and 41,489.68

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Solution

The fourth proportional to 55,661.44, 76,886.40 and 41,489.68 is: 57,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.44 : 76,886.40 = 41,489.68 : x
  2. Step 2: Convert to fraction form
    55,661.44/76,886.40 = 41,489.68/x
  3. Step 3: Cross multiply
    55,661.44x = 76,886.40 × 41,489.68
  4. Step 4: Simplify right side
    55,661.44x = 3,189,992,132.35
  5. Step 5: Solve for x
    x = 3,189,992,132.35/55,661.44
  6. Step 6: Final answer
    x = 57,310.63

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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.