Home / 54,889.65-82,358.37-21,633.89

Finding the Fourth Proportional to 54,889.65, 82,358.37 and 21,633.89

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Solution

The fourth proportional to 54,889.65, 82,358.37 and 21,633.89 is: 32,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.65 : 82,358.37 = 21,633.89 : x
  2. Step 2: Convert to fraction form
    54,889.65/82,358.37 = 21,633.89/x
  3. Step 3: Cross multiply
    54,889.65x = 82,358.37 × 21,633.89
  4. Step 4: Simplify right side
    54,889.65x = 1,781,731,505.37
  5. Step 5: Solve for x
    x = 1,781,731,505.37/54,889.65
  6. Step 6: Final answer
    x = 32,460.25

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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.