Home / 51,634.39-77,398.31-21,666.04

Finding the Fourth Proportional to 51,634.39, 77,398.31 and 21,666.04

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Solution

The fourth proportional to 51,634.39, 77,398.31 and 21,666.04 is: 32,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634.39 : 77,398.31 = 21,666.04 : x
  2. Step 2: Convert to fraction form
    51,634.39/77,398.31 = 21,666.04/x
  3. Step 3: Cross multiply
    51,634.39x = 77,398.31 × 21,666.04
  4. Step 4: Simplify right side
    51,634.39x = 1,676,914,880.39
  5. Step 5: Solve for x
    x = 1,676,914,880.39/51,634.39
  6. Step 6: Final answer
    x = 32,476.71

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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.