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Finding the Fourth Proportional to 56,049.98, 84,056.67 and 18,599.99

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Solution

The fourth proportional to 56,049.98, 84,056.67 and 18,599.99 is: 27,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.98 : 84,056.67 = 18,599.99 : x
  2. Step 2: Convert to fraction form
    56,049.98/84,056.67 = 18,599.99/x
  3. Step 3: Cross multiply
    56,049.98x = 84,056.67 × 18,599.99
  4. Step 4: Simplify right side
    56,049.98x = 1,563,453,037.56
  5. Step 5: Solve for x
    x = 1,563,453,037.56/56,049.98
  6. Step 6: Final answer
    x = 27,893.91

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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.