Home / 43,081.29-64,622.03-11,916.63

Finding the Fourth Proportional to 43,081.29, 64,622.03 and 11,916.63

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Solution

The fourth proportional to 43,081.29, 64,622.03 and 11,916.63 is: 17,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.29 : 64,622.03 = 11,916.63 : x
  2. Step 2: Convert to fraction form
    43,081.29/64,622.03 = 11,916.63/x
  3. Step 3: Cross multiply
    43,081.29x = 64,622.03 × 11,916.63
  4. Step 4: Simplify right side
    43,081.29x = 770,076,761.78
  5. Step 5: Solve for x
    x = 770,076,761.78/43,081.29
  6. Step 6: Final answer
    x = 17,874.97

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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.