Home / 51,288.49-76,858.93-21,665.58

Finding the Fourth Proportional to 51,288.49, 76,858.93 and 21,665.58

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Solution

The fourth proportional to 51,288.49, 76,858.93 and 21,665.58 is: 32,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.49 : 76,858.93 = 21,665.58 : x
  2. Step 2: Convert to fraction form
    51,288.49/76,858.93 = 21,665.58/x
  3. Step 3: Cross multiply
    51,288.49x = 76,858.93 × 21,665.58
  4. Step 4: Simplify right side
    51,288.49x = 1,665,192,913.62
  5. Step 5: Solve for x
    x = 1,665,192,913.62/51,288.49
  6. Step 6: Final answer
    x = 32,467.18

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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.