Home / 30,780.56-46,170.84-17,623.82

Finding the Fourth Proportional to 30,780.56, 46,170.84 and 17,623.82

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Solution

The fourth proportional to 30,780.56, 46,170.84 and 17,623.82 is: 26,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780.56 : 46,170.84 = 17,623.82 : x
  2. Step 2: Convert to fraction form
    30,780.56/46,170.84 = 17,623.82/x
  3. Step 3: Cross multiply
    30,780.56x = 46,170.84 × 17,623.82
  4. Step 4: Simplify right side
    30,780.56x = 813,706,573.41
  5. Step 5: Solve for x
    x = 813,706,573.41/30,780.56
  6. Step 6: Final answer
    x = 26,435.73

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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.