Home / 51,719.55-77,585.39-18,444.34

Finding the Fourth Proportional to 51,719.55, 77,585.39 and 18,444.34

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Solution

The fourth proportional to 51,719.55, 77,585.39 and 18,444.34 is: 27,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.55 : 77,585.39 = 18,444.34 : x
  2. Step 2: Convert to fraction form
    51,719.55/77,585.39 = 18,444.34/x
  3. Step 3: Cross multiply
    51,719.55x = 77,585.39 × 18,444.34
  4. Step 4: Simplify right side
    51,719.55x = 1,431,011,489.87
  5. Step 5: Solve for x
    x = 1,431,011,489.87/51,719.55
  6. Step 6: Final answer
    x = 27,668.68

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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.