Home / 51,126.81-76,725.26-17,846.88

Finding the Fourth Proportional to 51,126.81, 76,725.26 and 17,846.88

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Solution

The fourth proportional to 51,126.81, 76,725.26 and 17,846.88 is: 26,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.81 : 76,725.26 = 17,846.88 : x
  2. Step 2: Convert to fraction form
    51,126.81/76,725.26 = 17,846.88/x
  3. Step 3: Cross multiply
    51,126.81x = 76,725.26 × 17,846.88
  4. Step 4: Simplify right side
    51,126.81x = 1,369,306,629.74
  5. Step 5: Solve for x
    x = 1,369,306,629.74/51,126.81
  6. Step 6: Final answer
    x = 26,782.55

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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.