Home / 49,665.70-74,491.26-20,082.88

Finding the Fourth Proportional to 49,665.70, 74,491.26 and 20,082.88

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Solution

The fourth proportional to 49,665.70, 74,491.26 and 20,082.88 is: 30,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.70 : 74,491.26 = 20,082.88 : x
  2. Step 2: Convert to fraction form
    49,665.70/74,491.26 = 20,082.88/x
  3. Step 3: Cross multiply
    49,665.70x = 74,491.26 × 20,082.88
  4. Step 4: Simplify right side
    49,665.70x = 1,495,999,035.63
  5. Step 5: Solve for x
    x = 1,495,999,035.63/49,665.70
  6. Step 6: Final answer
    x = 30,121.37

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1.5x scale

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.