Home / 49,979.78-74,932.64-30,253.67

Finding the Fourth Proportional to 49,979.78, 74,932.64 and 30,253.67

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Solution

The fourth proportional to 49,979.78, 74,932.64 and 30,253.67 is: 45,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.78 : 74,932.64 = 30,253.67 : x
  2. Step 2: Convert to fraction form
    49,979.78/74,932.64 = 30,253.67/x
  3. Step 3: Cross multiply
    49,979.78x = 74,932.64 × 30,253.67
  4. Step 4: Simplify right side
    49,979.78x = 2,266,987,211.52
  5. Step 5: Solve for x
    x = 2,266,987,211.52/49,979.78
  6. Step 6: Final answer
    x = 45,358.09

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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.