Home / 51,314.20-76,938.12-33,730.72

Finding the Fourth Proportional to 51,314.20, 76,938.12 and 33,730.72

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Solution

The fourth proportional to 51,314.20, 76,938.12 and 33,730.72 is: 50,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314.20 : 76,938.12 = 33,730.72 : x
  2. Step 2: Convert to fraction form
    51,314.20/76,938.12 = 33,730.72/x
  3. Step 3: Cross multiply
    51,314.20x = 76,938.12 × 33,730.72
  4. Step 4: Simplify right side
    51,314.20x = 2,595,178,183.05
  5. Step 5: Solve for x
    x = 2,595,178,183.05/51,314.20
  6. Step 6: Final answer
    x = 50,574.27

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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.