Home / 54,959.49-82,383.87-21,666.69

Finding the Fourth Proportional to 54,959.49, 82,383.87 and 21,666.69

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Solution

The fourth proportional to 54,959.49, 82,383.87 and 21,666.69 is: 32,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.49 : 82,383.87 = 21,666.69 : x
  2. Step 2: Convert to fraction form
    54,959.49/82,383.87 = 21,666.69/x
  3. Step 3: Cross multiply
    54,959.49x = 82,383.87 × 21,666.69
  4. Step 4: Simplify right side
    54,959.49x = 1,784,985,772.29
  5. Step 5: Solve for x
    x = 1,784,985,772.29/54,959.49
  6. Step 6: Final answer
    x = 32,478.21

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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.