Home / 55,447.30-76,517.27-30,296.80

Finding the Fourth Proportional to 55,447.30, 76,517.27 and 30,296.80

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Solution

The fourth proportional to 55,447.30, 76,517.27 and 30,296.80 is: 41,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.30 : 76,517.27 = 30,296.80 : x
  2. Step 2: Convert to fraction form
    55,447.30/76,517.27 = 30,296.80/x
  3. Step 3: Cross multiply
    55,447.30x = 76,517.27 × 30,296.80
  4. Step 4: Simplify right side
    55,447.30x = 2,318,228,425.74
  5. Step 5: Solve for x
    x = 2,318,228,425.74/55,447.30
  6. Step 6: Final answer
    x = 41,809.58

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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.