Home / 47,623.29-71,449.81-28,668.68

Finding the Fourth Proportional to 47,623.29, 71,449.81 and 28,668.68

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Solution

The fourth proportional to 47,623.29, 71,449.81 and 28,668.68 is: 43,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.29 : 71,449.81 = 28,668.68 : x
  2. Step 2: Convert to fraction form
    47,623.29/71,449.81 = 28,668.68/x
  3. Step 3: Cross multiply
    47,623.29x = 71,449.81 × 28,668.68
  4. Step 4: Simplify right side
    47,623.29x = 2,048,371,738.95
  5. Step 5: Solve for x
    x = 2,048,371,738.95/47,623.29
  6. Step 6: Final answer
    x = 43,011.97

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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.