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Finding the Fourth Proportional to 56,259.59, 84,392.48 and 16,819.78

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Solution

The fourth proportional to 56,259.59, 84,392.48 and 16,819.78 is: 25,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.59 : 84,392.48 = 16,819.78 : x
  2. Step 2: Convert to fraction form
    56,259.59/84,392.48 = 16,819.78/x
  3. Step 3: Cross multiply
    56,259.59x = 84,392.48 × 16,819.78
  4. Step 4: Simplify right side
    56,259.59x = 1,419,462,441.19
  5. Step 5: Solve for x
    x = 1,419,462,441.19/56,259.59
  6. Step 6: Final answer
    x = 25,230.59

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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.