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Finding the Fourth Proportional to 55,594.96, 83,392.61 and 13,474.87

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Solution

The fourth proportional to 55,594.96, 83,392.61 and 13,474.87 is: 20,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.96 : 83,392.61 = 13,474.87 : x
  2. Step 2: Convert to fraction form
    55,594.96/83,392.61 = 13,474.87/x
  3. Step 3: Cross multiply
    55,594.96x = 83,392.61 × 13,474.87
  4. Step 4: Simplify right side
    55,594.96x = 1,123,704,771.94
  5. Step 5: Solve for x
    x = 1,123,704,771.94/55,594.96
  6. Step 6: Final answer
    x = 20,212.35

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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.