Home / 55,455.40-76,584.39-35,321.33

Finding the Fourth Proportional to 55,455.40, 76,584.39 and 35,321.33

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Solution

The fourth proportional to 55,455.40, 76,584.39 and 35,321.33 is: 48,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.40 : 76,584.39 = 35,321.33 : x
  2. Step 2: Convert to fraction form
    55,455.40/76,584.39 = 35,321.33/x
  3. Step 3: Cross multiply
    55,455.40x = 76,584.39 × 35,321.33
  4. Step 4: Simplify right side
    55,455.40x = 2,705,062,571.04
  5. Step 5: Solve for x
    x = 2,705,062,571.04/55,455.40
  6. Step 6: Final answer
    x = 48,779.06

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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.