Home / 55,526.21-76,628.01-30,375.71

Finding the Fourth Proportional to 55,526.21, 76,628.01 and 30,375.71

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Solution

The fourth proportional to 55,526.21, 76,628.01 and 30,375.71 is: 41,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,526.21 : 76,628.01 = 30,375.71 : x
  2. Step 2: Convert to fraction form
    55,526.21/76,628.01 = 30,375.71/x
  3. Step 3: Cross multiply
    55,526.21x = 76,628.01 × 30,375.71
  4. Step 4: Simplify right side
    55,526.21x = 2,327,629,826.50
  5. Step 5: Solve for x
    x = 2,327,629,826.50/55,526.21
  6. Step 6: Final answer
    x = 41,919.48

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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.