Home / 55,350.88-76,383.12-30,200.80

Finding the Fourth Proportional to 55,350.88, 76,383.12 and 30,200.80

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Solution

The fourth proportional to 55,350.88, 76,383.12 and 30,200.80 is: 41,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.88 : 76,383.12 = 30,200.80 : x
  2. Step 2: Convert to fraction form
    55,350.88/76,383.12 = 30,200.80/x
  3. Step 3: Cross multiply
    55,350.88x = 76,383.12 × 30,200.80
  4. Step 4: Simplify right side
    55,350.88x = 2,306,831,330.50
  5. Step 5: Solve for x
    x = 2,306,831,330.50/55,350.88
  6. Step 6: Final answer
    x = 41,676.51

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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.