Home / 30,103.56-45,167.22-21,794.04

Finding the Fourth Proportional to 30,103.56, 45,167.22 and 21,794.04

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Solution

The fourth proportional to 30,103.56, 45,167.22 and 21,794.04 is: 32,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.56 : 45,167.22 = 21,794.04 : x
  2. Step 2: Convert to fraction form
    30,103.56/45,167.22 = 21,794.04/x
  3. Step 3: Cross multiply
    30,103.56x = 45,167.22 × 21,794.04
  4. Step 4: Simplify right side
    30,103.56x = 984,376,199.37
  5. Step 5: Solve for x
    x = 984,376,199.37/30,103.56
  6. Step 6: Final answer
    x = 32,699.66

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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.