Home / 47,514.87-71,271.75-19,449.99

Finding the Fourth Proportional to 47,514.87, 71,271.75 and 19,449.99

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Solution

The fourth proportional to 47,514.87, 71,271.75 and 19,449.99 is: 29,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,514.87 : 71,271.75 = 19,449.99 : x
  2. Step 2: Convert to fraction form
    47,514.87/71,271.75 = 19,449.99/x
  3. Step 3: Cross multiply
    47,514.87x = 71,271.75 × 19,449.99
  4. Step 4: Simplify right side
    47,514.87x = 1,386,234,824.78
  5. Step 5: Solve for x
    x = 1,386,234,824.78/47,514.87
  6. Step 6: Final answer
    x = 29,174.76

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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.