Home / 51,309.59-76,975.92-18,031.95

Finding the Fourth Proportional to 51,309.59, 76,975.92 and 18,031.95

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Solution

The fourth proportional to 51,309.59, 76,975.92 and 18,031.95 is: 27,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.59 : 76,975.92 = 18,031.95 : x
  2. Step 2: Convert to fraction form
    51,309.59/76,975.92 = 18,031.95/x
  3. Step 3: Cross multiply
    51,309.59x = 76,975.92 × 18,031.95
  4. Step 4: Simplify right side
    51,309.59x = 1,388,025,940.64
  5. Step 5: Solve for x
    x = 1,388,025,940.64/51,309.59
  6. Step 6: Final answer
    x = 27,051.98

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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.