Home / 43,557.66-65,336.49-12,392.91

Finding the Fourth Proportional to 43,557.66, 65,336.49 and 12,392.91

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Solution

The fourth proportional to 43,557.66, 65,336.49 and 12,392.91 is: 18,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.66 : 65,336.49 = 12,392.91 : x
  2. Step 2: Convert to fraction form
    43,557.66/65,336.49 = 12,392.91/x
  3. Step 3: Cross multiply
    43,557.66x = 65,336.49 × 12,392.91
  4. Step 4: Simplify right side
    43,557.66x = 809,709,240.29
  5. Step 5: Solve for x
    x = 809,709,240.29/43,557.66
  6. Step 6: Final answer
    x = 18,589.37

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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.