Home / 52,565.97-78,859.32-19,286.34

Finding the Fourth Proportional to 52,565.97, 78,859.32 and 19,286.34

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Solution

The fourth proportional to 52,565.97, 78,859.32 and 19,286.34 is: 28,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,565.97 : 78,859.32 = 19,286.34 : x
  2. Step 2: Convert to fraction form
    52,565.97/78,859.32 = 19,286.34/x
  3. Step 3: Cross multiply
    52,565.97x = 78,859.32 × 19,286.34
  4. Step 4: Simplify right side
    52,565.97x = 1,520,907,657.69
  5. Step 5: Solve for x
    x = 1,520,907,657.69/52,565.97
  6. Step 6: Final answer
    x = 28,933.31

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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.