Home / 61,022.76-91,497.88-18,890.36

Finding the Fourth Proportional to 61,022.76, 91,497.88 and 18,890.36

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Solution

The fourth proportional to 61,022.76, 91,497.88 and 18,890.36 is: 28,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,022.76 : 91,497.88 = 18,890.36 : x
  2. Step 2: Convert to fraction form
    61,022.76/91,497.88 = 18,890.36/x
  3. Step 3: Cross multiply
    61,022.76x = 91,497.88 × 18,890.36
  4. Step 4: Simplify right side
    61,022.76x = 1,728,427,892.44
  5. Step 5: Solve for x
    x = 1,728,427,892.44/61,022.76
  6. Step 6: Final answer
    x = 28,324.32

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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.