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Finding the Fourth Proportional to 50,579.69, 75,877.77 and 18,992.19

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Solution

The fourth proportional to 50,579.69, 75,877.77 and 18,992.19 is: 28,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.69 : 75,877.77 = 18,992.19 : x
  2. Step 2: Convert to fraction form
    50,579.69/75,877.77 = 18,992.19/x
  3. Step 3: Cross multiply
    50,579.69x = 75,877.77 × 18,992.19
  4. Step 4: Simplify right side
    50,579.69x = 1,441,085,309.16
  5. Step 5: Solve for x
    x = 1,441,085,309.16/50,579.69
  6. Step 6: Final answer
    x = 28,491.39

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1.5x scale

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.