Home / 51,719.45-77,585.26-18,444.25

Finding the Fourth Proportional to 51,719.45, 77,585.26 and 18,444.25

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Solution

The fourth proportional to 51,719.45, 77,585.26 and 18,444.25 is: 27,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.45 : 77,585.26 = 18,444.25 : x
  2. Step 2: Convert to fraction form
    51,719.45/77,585.26 = 18,444.25/x
  3. Step 3: Cross multiply
    51,719.45x = 77,585.26 × 18,444.25
  4. Step 4: Simplify right side
    51,719.45x = 1,431,001,691.68
  5. Step 5: Solve for x
    x = 1,431,001,691.68/51,719.45
  6. Step 6: Final answer
    x = 27,668.54

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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.