Home / 41,056.71-61,579.76-12,979.60

Finding the Fourth Proportional to 41,056.71, 61,579.76 and 12,979.60

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Solution

The fourth proportional to 41,056.71, 61,579.76 and 12,979.60 is: 19,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,056.71 : 61,579.76 = 12,979.60 : x
  2. Step 2: Convert to fraction form
    41,056.71/61,579.76 = 12,979.60/x
  3. Step 3: Cross multiply
    41,056.71x = 61,579.76 × 12,979.60
  4. Step 4: Simplify right side
    41,056.71x = 799,280,280.10
  5. Step 5: Solve for x
    x = 799,280,280.10/41,056.71
  6. Step 6: Final answer
    x = 19,467.71

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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.