Home / 51,789.21-77,685.49-14,349.65

Finding the Fourth Proportional to 51,789.21, 77,685.49 and 14,349.65

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Solution

The fourth proportional to 51,789.21, 77,685.49 and 14,349.65 is: 21,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.21 : 77,685.49 = 14,349.65 : x
  2. Step 2: Convert to fraction form
    51,789.21/77,685.49 = 14,349.65/x
  3. Step 3: Cross multiply
    51,789.21x = 77,685.49 × 14,349.65
  4. Step 4: Simplify right side
    51,789.21x = 1,114,759,591.58
  5. Step 5: Solve for x
    x = 1,114,759,591.58/51,789.21
  6. Step 6: Final answer
    x = 21,524.94

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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.