Home / 47,477.99-71,226.57-21,182.73

Finding the Fourth Proportional to 47,477.99, 71,226.57 and 21,182.73

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Solution

The fourth proportional to 47,477.99, 71,226.57 and 21,182.73 is: 31,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,477.99 : 71,226.57 = 21,182.73 : x
  2. Step 2: Convert to fraction form
    47,477.99/71,226.57 = 21,182.73/x
  3. Step 3: Cross multiply
    47,477.99x = 71,226.57 × 21,182.73
  4. Step 4: Simplify right side
    47,477.99x = 1,508,773,201.14
  5. Step 5: Solve for x
    x = 1,508,773,201.14/47,477.99
  6. Step 6: Final answer
    x = 31,778.37

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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.