Home / 30,315.78-41,835.82-17,571.44

Finding the Fourth Proportional to 30,315.78, 41,835.82 and 17,571.44

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Solution

The fourth proportional to 30,315.78, 41,835.82 and 17,571.44 is: 24,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.78 : 41,835.82 = 17,571.44 : x
  2. Step 2: Convert to fraction form
    30,315.78/41,835.82 = 17,571.44/x
  3. Step 3: Cross multiply
    30,315.78x = 41,835.82 × 17,571.44
  4. Step 4: Simplify right side
    30,315.78x = 735,115,600.98
  5. Step 5: Solve for x
    x = 735,115,600.98/30,315.78
  6. Step 6: Final answer
    x = 24,248.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.