Home / 51,300.45-76,946.82-18,020.80

Finding the Fourth Proportional to 51,300.45, 76,946.82 and 18,020.80

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Solution

The fourth proportional to 51,300.45, 76,946.82 and 18,020.80 is: 27,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,300.45 : 76,946.82 = 18,020.80 : x
  2. Step 2: Convert to fraction form
    51,300.45/76,946.82 = 18,020.80/x
  3. Step 3: Cross multiply
    51,300.45x = 76,946.82 × 18,020.80
  4. Step 4: Simplify right side
    51,300.45x = 1,386,643,253.86
  5. Step 5: Solve for x
    x = 1,386,643,253.86/51,300.45
  6. Step 6: Final answer
    x = 27,029.85

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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.