Home / 47,366.16-71,023.11-19,279

Finding the Fourth Proportional to 47,366.16, 71,023.11 and 19,279

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Solution

The fourth proportional to 47,366.16, 71,023.11 and 19,279 is: 28,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366.16 : 71,023.11 = 19,279 : x
  2. Step 2: Convert to fraction form
    47,366.16/71,023.11 = 19,279/x
  3. Step 3: Cross multiply
    47,366.16x = 71,023.11 × 19,279
  4. Step 4: Simplify right side
    47,366.16x = 1,369,254,537.69
  5. Step 5: Solve for x
    x = 1,369,254,537.69/47,366.16
  6. Step 6: Final answer
    x = 28,907.87

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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.