Home / 54,096.40-81,144.60-30,768.40

Finding the Fourth Proportional to 54,096.40, 81,144.60 and 30,768.40

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Solution

The fourth proportional to 54,096.40, 81,144.60 and 30,768.40 is: 46,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,096.40 : 81,144.60 = 30,768.40 : x
  2. Step 2: Convert to fraction form
    54,096.40/81,144.60 = 30,768.40/x
  3. Step 3: Cross multiply
    54,096.40x = 81,144.60 × 30,768.40
  4. Step 4: Simplify right side
    54,096.40x = 2,496,689,510.64
  5. Step 5: Solve for x
    x = 2,496,689,510.64/54,096.40
  6. Step 6: Final answer
    x = 46,152.60

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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.