Home / 54,881.96-82,313.28-15,429.69

Finding the Fourth Proportional to 54,881.96, 82,313.28 and 15,429.69

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Solution

The fourth proportional to 54,881.96, 82,313.28 and 15,429.69 is: 23,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.96 : 82,313.28 = 15,429.69 : x
  2. Step 2: Convert to fraction form
    54,881.96/82,313.28 = 15,429.69/x
  3. Step 3: Cross multiply
    54,881.96x = 82,313.28 × 15,429.69
  4. Step 4: Simplify right side
    54,881.96x = 1,270,068,393.28
  5. Step 5: Solve for x
    x = 1,270,068,393.28/54,881.96
  6. Step 6: Final answer
    x = 23,141.82

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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.