Home / 20,346.80-30,529.44-12,043.08

Finding the Fourth Proportional to 20,346.80, 30,529.44 and 12,043.08

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Solution

The fourth proportional to 20,346.80, 30,529.44 and 12,043.08 is: 18,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.80 : 30,529.44 = 12,043.08 : x
  2. Step 2: Convert to fraction form
    20,346.80/30,529.44 = 12,043.08/x
  3. Step 3: Cross multiply
    20,346.80x = 30,529.44 × 12,043.08
  4. Step 4: Simplify right side
    20,346.80x = 367,668,488.28
  5. Step 5: Solve for x
    x = 367,668,488.28/20,346.80
  6. Step 6: Final answer
    x = 18,070.09

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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.