Home / 51,285.15-76,920.03-16,220.25

Finding the Fourth Proportional to 51,285.15, 76,920.03 and 16,220.25

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Solution

The fourth proportional to 51,285.15, 76,920.03 and 16,220.25 is: 24,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.15 : 76,920.03 = 16,220.25 : x
  2. Step 2: Convert to fraction form
    51,285.15/76,920.03 = 16,220.25/x
  3. Step 3: Cross multiply
    51,285.15x = 76,920.03 × 16,220.25
  4. Step 4: Simplify right side
    51,285.15x = 1,247,662,116.61
  5. Step 5: Solve for x
    x = 1,247,662,116.61/51,285.15
  6. Step 6: Final answer
    x = 24,327.94

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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.