Home / 51,719.64-77,585.54-18,444.44

Finding the Fourth Proportional to 51,719.64, 77,585.54 and 18,444.44

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Solution

The fourth proportional to 51,719.64, 77,585.54 and 18,444.44 is: 27,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.64 : 77,585.54 = 18,444.44 : x
  2. Step 2: Convert to fraction form
    51,719.64/77,585.54 = 18,444.44/x
  3. Step 3: Cross multiply
    51,719.64x = 77,585.54 × 18,444.44
  4. Step 4: Simplify right side
    51,719.64x = 1,431,021,357.25
  5. Step 5: Solve for x
    x = 1,431,021,357.25/51,719.64
  6. Step 6: Final answer
    x = 27,668.82

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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.