Home / 51,721.66-77,582.55-16,666.54

Finding the Fourth Proportional to 51,721.66, 77,582.55 and 16,666.54

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Solution

The fourth proportional to 51,721.66, 77,582.55 and 16,666.54 is: 24,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721.66 : 77,582.55 = 16,666.54 : x
  2. Step 2: Convert to fraction form
    51,721.66/77,582.55 = 16,666.54/x
  3. Step 3: Cross multiply
    51,721.66x = 77,582.55 × 16,666.54
  4. Step 4: Simplify right side
    51,721.66x = 1,293,032,672.88
  5. Step 5: Solve for x
    x = 1,293,032,672.88/51,721.66
  6. Step 6: Final answer
    x = 24,999.83

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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.