Home / 29,039.59-43,559.69-12,389.23

Finding the Fourth Proportional to 29,039.59, 43,559.69 and 12,389.23

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Solution

The fourth proportional to 29,039.59, 43,559.69 and 12,389.23 is: 18,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.59 : 43,559.69 = 12,389.23 : x
  2. Step 2: Convert to fraction form
    29,039.59/43,559.69 = 12,389.23/x
  3. Step 3: Cross multiply
    29,039.59x = 43,559.69 × 12,389.23
  4. Step 4: Simplify right side
    29,039.59x = 539,670,847.29
  5. Step 5: Solve for x
    x = 539,670,847.29/29,039.59
  6. Step 6: Final answer
    x = 18,583.97

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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.