Home / 52,604.30-78,906.42-13,161.39

Finding the Fourth Proportional to 52,604.30, 78,906.42 and 13,161.39

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Solution

The fourth proportional to 52,604.30, 78,906.42 and 13,161.39 is: 19,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.30 : 78,906.42 = 13,161.39 : x
  2. Step 2: Convert to fraction form
    52,604.30/78,906.42 = 13,161.39/x
  3. Step 3: Cross multiply
    52,604.30x = 78,906.42 × 13,161.39
  4. Step 4: Simplify right side
    52,604.30x = 1,038,517,871.22
  5. Step 5: Solve for x
    x = 1,038,517,871.22/52,604.30
  6. Step 6: Final answer
    x = 19,742.07

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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.