Home / 43,279.81-64,919.04-22,207.69

Finding the Fourth Proportional to 43,279.81, 64,919.04 and 22,207.69

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Solution

The fourth proportional to 43,279.81, 64,919.04 and 22,207.69 is: 33,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.81 : 64,919.04 = 22,207.69 : x
  2. Step 2: Convert to fraction form
    43,279.81/64,919.04 = 22,207.69/x
  3. Step 3: Cross multiply
    43,279.81x = 64,919.04 × 22,207.69
  4. Step 4: Simplify right side
    43,279.81x = 1,441,701,913.29
  5. Step 5: Solve for x
    x = 1,441,701,913.29/43,279.81
  6. Step 6: Final answer
    x = 33,311.19

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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.