Home / 38,579.10-57,866.22-12,302.70

Finding the Fourth Proportional to 38,579.10, 57,866.22 and 12,302.70

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Solution

The fourth proportional to 38,579.10, 57,866.22 and 12,302.70 is: 18,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.10 : 57,866.22 = 12,302.70 : x
  2. Step 2: Convert to fraction form
    38,579.10/57,866.22 = 12,302.70/x
  3. Step 3: Cross multiply
    38,579.10x = 57,866.22 × 12,302.70
  4. Step 4: Simplify right side
    38,579.10x = 711,910,744.79
  5. Step 5: Solve for x
    x = 711,910,744.79/38,579.10
  6. Step 6: Final answer
    x = 18,453.28

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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.