Home / 50,730.84-76,110.30-21,162.60

Finding the Fourth Proportional to 50,730.84, 76,110.30 and 21,162.60

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Solution

The fourth proportional to 50,730.84, 76,110.30 and 21,162.60 is: 31,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.84 : 76,110.30 = 21,162.60 : x
  2. Step 2: Convert to fraction form
    50,730.84/76,110.30 = 21,162.60/x
  3. Step 3: Cross multiply
    50,730.84x = 76,110.30 × 21,162.60
  4. Step 4: Simplify right side
    50,730.84x = 1,610,691,834.78
  5. Step 5: Solve for x
    x = 1,610,691,834.78/50,730.84
  6. Step 6: Final answer
    x = 31,749.76

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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.