Home / 55,350.40-76,383.36-30,199.92

Finding the Fourth Proportional to 55,350.40, 76,383.36 and 30,199.92

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Solution

The fourth proportional to 55,350.40, 76,383.36 and 30,199.92 is: 41,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.40 : 76,383.36 = 30,199.92 : x
  2. Step 2: Convert to fraction form
    55,350.40/76,383.36 = 30,199.92/x
  3. Step 3: Cross multiply
    55,350.40x = 76,383.36 × 30,199.92
  4. Step 4: Simplify right side
    55,350.40x = 2,306,771,361.33
  5. Step 5: Solve for x
    x = 2,306,771,361.33/55,350.40
  6. Step 6: Final answer
    x = 41,675.78

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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.