Home / 51,456.70-77,190.72-16,388.29

Finding the Fourth Proportional to 51,456.70, 77,190.72 and 16,388.29

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Solution

The fourth proportional to 51,456.70, 77,190.72 and 16,388.29 is: 24,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.70 : 77,190.72 = 16,388.29 : x
  2. Step 2: Convert to fraction form
    51,456.70/77,190.72 = 16,388.29/x
  3. Step 3: Cross multiply
    51,456.70x = 77,190.72 × 16,388.29
  4. Step 4: Simplify right side
    51,456.70x = 1,265,023,904.67
  5. Step 5: Solve for x
    x = 1,265,023,904.67/51,456.70
  6. Step 6: Final answer
    x = 24,584.24

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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.