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Finding the Fourth Proportional to 56,410.92, 84,618 and 16,963.92

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Solution

The fourth proportional to 56,410.92, 84,618 and 16,963.92 is: 25,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,410.92 : 84,618 = 16,963.92 : x
  2. Step 2: Convert to fraction form
    56,410.92/84,618 = 16,963.92/x
  3. Step 3: Cross multiply
    56,410.92x = 84,618 × 16,963.92
  4. Step 4: Simplify right side
    56,410.92x = 1,435,452,982.56
  5. Step 5: Solve for x
    x = 1,435,452,982.56/56,410.92
  6. Step 6: Final answer
    x = 25,446.37

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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.