Home / 53,086.10-73,261.85-30,428.86

Finding the Fourth Proportional to 53,086.10, 73,261.85 and 30,428.86

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Solution

The fourth proportional to 53,086.10, 73,261.85 and 30,428.86 is: 41,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.10 : 73,261.85 = 30,428.86 : x
  2. Step 2: Convert to fraction form
    53,086.10/73,261.85 = 30,428.86/x
  3. Step 3: Cross multiply
    53,086.10x = 73,261.85 × 30,428.86
  4. Step 4: Simplify right side
    53,086.10x = 2,229,274,576.99
  5. Step 5: Solve for x
    x = 2,229,274,576.99/53,086.10
  6. Step 6: Final answer
    x = 41,993.56

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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.