Home / 51,786.48-77,663.25-16,717.98

Finding the Fourth Proportional to 51,786.48, 77,663.25 and 16,717.98

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Solution

The fourth proportional to 51,786.48, 77,663.25 and 16,717.98 is: 25,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.48 : 77,663.25 = 16,717.98 : x
  2. Step 2: Convert to fraction form
    51,786.48/77,663.25 = 16,717.98/x
  3. Step 3: Cross multiply
    51,786.48x = 77,663.25 × 16,717.98
  4. Step 4: Simplify right side
    51,786.48x = 1,298,372,660.24
  5. Step 5: Solve for x
    x = 1,298,372,660.24/51,786.48
  6. Step 6: Final answer
    x = 25,071.65

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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.