Home / 50,202.76-75,291.50-20,628.76

Finding the Fourth Proportional to 50,202.76, 75,291.50 and 20,628.76

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Solution

The fourth proportional to 50,202.76, 75,291.50 and 20,628.76 is: 30,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,202.76 : 75,291.50 = 20,628.76 : x
  2. Step 2: Convert to fraction form
    50,202.76/75,291.50 = 20,628.76/x
  3. Step 3: Cross multiply
    50,202.76x = 75,291.50 × 20,628.76
  4. Step 4: Simplify right side
    50,202.76x = 1,553,170,283.54
  5. Step 5: Solve for x
    x = 1,553,170,283.54/50,202.76
  6. Step 6: Final answer
    x = 30,937.95

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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.