Home / 51,240.66-76,855.20-13,803.45

Finding the Fourth Proportional to 51,240.66, 76,855.20 and 13,803.45

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Solution

The fourth proportional to 51,240.66, 76,855.20 and 13,803.45 is: 20,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.66 : 76,855.20 = 13,803.45 : x
  2. Step 2: Convert to fraction form
    51,240.66/76,855.20 = 13,803.45/x
  3. Step 3: Cross multiply
    51,240.66x = 76,855.20 × 13,803.45
  4. Step 4: Simplify right side
    51,240.66x = 1,060,866,910.44
  5. Step 5: Solve for x
    x = 1,060,866,910.44/51,240.66
  6. Step 6: Final answer
    x = 20,703.62

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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.