Home / 43,328.26-64,994.68-12,165.94

Finding the Fourth Proportional to 43,328.26, 64,994.68 and 12,165.94

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Solution

The fourth proportional to 43,328.26, 64,994.68 and 12,165.94 is: 18,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.26 : 64,994.68 = 12,165.94 : x
  2. Step 2: Convert to fraction form
    43,328.26/64,994.68 = 12,165.94/x
  3. Step 3: Cross multiply
    43,328.26x = 64,994.68 × 12,165.94
  4. Step 4: Simplify right side
    43,328.26x = 790,721,377.20
  5. Step 5: Solve for x
    x = 790,721,377.20/43,328.26
  6. Step 6: Final answer
    x = 18,249.55

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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.