Home / 50,661.63-75,951.45-21,101.67

Finding the Fourth Proportional to 50,661.63, 75,951.45 and 21,101.67

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Solution

The fourth proportional to 50,661.63, 75,951.45 and 21,101.67 is: 31,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.63 : 75,951.45 = 21,101.67 : x
  2. Step 2: Convert to fraction form
    50,661.63/75,951.45 = 21,101.67/x
  3. Step 3: Cross multiply
    50,661.63x = 75,951.45 × 21,101.67
  4. Step 4: Simplify right side
    50,661.63x = 1,602,702,433.92
  5. Step 5: Solve for x
    x = 1,602,702,433.92/50,661.63
  6. Step 6: Final answer
    x = 31,635.43

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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.