Home / 51,286.55-76,929.84-13,846.59

Finding the Fourth Proportional to 51,286.55, 76,929.84 and 13,846.59

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Solution

The fourth proportional to 51,286.55, 76,929.84 and 13,846.59 is: 20,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.55 : 76,929.84 = 13,846.59 : x
  2. Step 2: Convert to fraction form
    51,286.55/76,929.84 = 13,846.59/x
  3. Step 3: Cross multiply
    51,286.55x = 76,929.84 × 13,846.59
  4. Step 4: Simplify right side
    51,286.55x = 1,065,215,953.25
  5. Step 5: Solve for x
    x = 1,065,215,953.25/51,286.55
  6. Step 6: Final answer
    x = 20,769.89

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Similar ratio
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1.5x scale

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.