Home / 51,270.75-76,919.13-14,334.75

Finding the Fourth Proportional to 51,270.75, 76,919.13 and 14,334.75

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Solution

The fourth proportional to 51,270.75, 76,919.13 and 14,334.75 is: 21,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.75 : 76,919.13 = 14,334.75 : x
  2. Step 2: Convert to fraction form
    51,270.75/76,919.13 = 14,334.75/x
  3. Step 3: Cross multiply
    51,270.75x = 76,919.13 × 14,334.75
  4. Step 4: Simplify right side
    51,270.75x = 1,102,616,498.77
  5. Step 5: Solve for x
    x = 1,102,616,498.77/51,270.75
  6. Step 6: Final answer
    x = 21,505.76

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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.