Home / 51,672.76-77,530.26-18,399.16

Finding the Fourth Proportional to 51,672.76, 77,530.26 and 18,399.16

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Solution

The fourth proportional to 51,672.76, 77,530.26 and 18,399.16 is: 27,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,672.76 : 77,530.26 = 18,399.16 : x
  2. Step 2: Convert to fraction form
    51,672.76/77,530.26 = 18,399.16/x
  3. Step 3: Cross multiply
    51,672.76x = 77,530.26 × 18,399.16
  4. Step 4: Simplify right side
    51,672.76x = 1,426,491,658.58
  5. Step 5: Solve for x
    x = 1,426,491,658.58/51,672.76
  6. Step 6: Final answer
    x = 27,606.26

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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.