Home / 54,882.96-82,314.78-15,430.69

Finding the Fourth Proportional to 54,882.96, 82,314.78 and 15,430.69

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Solution

The fourth proportional to 54,882.96, 82,314.78 and 15,430.69 is: 23,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.96 : 82,314.78 = 15,430.69 : x
  2. Step 2: Convert to fraction form
    54,882.96/82,314.78 = 15,430.69/x
  3. Step 3: Cross multiply
    54,882.96x = 82,314.78 × 15,430.69
  4. Step 4: Simplify right side
    54,882.96x = 1,270,173,852.60
  5. Step 5: Solve for x
    x = 1,270,173,852.60/54,882.96
  6. Step 6: Final answer
    x = 23,143.32

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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.