Home / 34,559.45-47,674.62-20,209.88

Finding the Fourth Proportional to 34,559.45, 47,674.62 and 20,209.88

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Solution

The fourth proportional to 34,559.45, 47,674.62 and 20,209.88 is: 27,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,559.45 : 47,674.62 = 20,209.88 : x
  2. Step 2: Convert to fraction form
    34,559.45/47,674.62 = 20,209.88/x
  3. Step 3: Cross multiply
    34,559.45x = 47,674.62 × 20,209.88
  4. Step 4: Simplify right side
    34,559.45x = 963,498,468.43
  5. Step 5: Solve for x
    x = 963,498,468.43/34,559.45
  6. Step 6: Final answer
    x = 27,879.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.