Home / 41,056.40-61,579.29-12,979.28

Finding the Fourth Proportional to 41,056.40, 61,579.29 and 12,979.28

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Solution

The fourth proportional to 41,056.40, 61,579.29 and 12,979.28 is: 19,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,056.40 : 61,579.29 = 12,979.28 : x
  2. Step 2: Convert to fraction form
    41,056.40/61,579.29 = 12,979.28/x
  3. Step 3: Cross multiply
    41,056.40x = 61,579.29 × 12,979.28
  4. Step 4: Simplify right side
    41,056.40x = 799,255,049.73
  5. Step 5: Solve for x
    x = 799,255,049.73/41,056.40
  6. Step 6: Final answer
    x = 19,467.25

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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.