Home / 49,560.78-68,415.19-30,443.67

Finding the Fourth Proportional to 49,560.78, 68,415.19 and 30,443.67

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Solution

The fourth proportional to 49,560.78, 68,415.19 and 30,443.67 is: 42,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,560.78 : 68,415.19 = 30,443.67 : x
  2. Step 2: Convert to fraction form
    49,560.78/68,415.19 = 30,443.67/x
  3. Step 3: Cross multiply
    49,560.78x = 68,415.19 × 30,443.67
  4. Step 4: Simplify right side
    49,560.78x = 2,082,809,391.24
  5. Step 5: Solve for x
    x = 2,082,809,391.24/49,560.78
  6. Step 6: Final answer
    x = 42,025.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.