Home / 71,082.07-106,623.23-18,491.47

Finding the Fourth Proportional to 71,082.07, 106,623.23 and 18,491.47

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Solution

The fourth proportional to 71,082.07, 106,623.23 and 18,491.47 is: 27,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082.07 : 106,623.23 = 18,491.47 : x
  2. Step 2: Convert to fraction form
    71,082.07/106,623.23 = 18,491.47/x
  3. Step 3: Cross multiply
    71,082.07x = 106,623.23 × 18,491.47
  4. Step 4: Simplify right side
    71,082.07x = 1,971,620,258.85
  5. Step 5: Solve for x
    x = 1,971,620,258.85/71,082.07
  6. Step 6: Final answer
    x = 27,737.24

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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.