Home / 43,326.92-64,994.64-18,021.20

Finding the Fourth Proportional to 43,326.92, 64,994.64 and 18,021.20

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Solution

The fourth proportional to 43,326.92, 64,994.64 and 18,021.20 is: 27,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,326.92 : 64,994.64 = 18,021.20 : x
  2. Step 2: Convert to fraction form
    43,326.92/64,994.64 = 18,021.20/x
  3. Step 3: Cross multiply
    43,326.92x = 64,994.64 × 18,021.20
  4. Step 4: Simplify right side
    43,326.92x = 1,171,281,406.37
  5. Step 5: Solve for x
    x = 1,171,281,406.37/43,326.92
  6. Step 6: Final answer
    x = 27,033.57

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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.