Home / 55,682.56-76,842.24-30,189.12

Finding the Fourth Proportional to 55,682.56, 76,842.24 and 30,189.12

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Solution

The fourth proportional to 55,682.56, 76,842.24 and 30,189.12 is: 41,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,682.56 : 76,842.24 = 30,189.12 : x
  2. Step 2: Convert to fraction form
    55,682.56/76,842.24 = 30,189.12/x
  3. Step 3: Cross multiply
    55,682.56x = 76,842.24 × 30,189.12
  4. Step 4: Simplify right side
    55,682.56x = 2,319,799,604.43
  5. Step 5: Solve for x
    x = 2,319,799,604.43/55,682.56
  6. Step 6: Final answer
    x = 41,661.15

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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.