Home / 50,820.39-76,231.07-20,826.92

Finding the Fourth Proportional to 50,820.39, 76,231.07 and 20,826.92

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Solution

The fourth proportional to 50,820.39, 76,231.07 and 20,826.92 is: 31,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.39 : 76,231.07 = 20,826.92 : x
  2. Step 2: Convert to fraction form
    50,820.39/76,231.07 = 20,826.92/x
  3. Step 3: Cross multiply
    50,820.39x = 76,231.07 × 20,826.92
  4. Step 4: Simplify right side
    50,820.39x = 1,587,658,678.10
  5. Step 5: Solve for x
    x = 1,587,658,678.10/50,820.39
  6. Step 6: Final answer
    x = 31,240.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.