Home / 30,320.88-41,841.74-16,891.46

Finding the Fourth Proportional to 30,320.88, 41,841.74 and 16,891.46

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Solution

The fourth proportional to 30,320.88, 41,841.74 and 16,891.46 is: 23,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.88 : 41,841.74 = 16,891.46 : x
  2. Step 2: Convert to fraction form
    30,320.88/41,841.74 = 16,891.46/x
  3. Step 3: Cross multiply
    30,320.88x = 41,841.74 × 16,891.46
  4. Step 4: Simplify right side
    30,320.88x = 706,767,783.87
  5. Step 5: Solve for x
    x = 706,767,783.87/30,320.88
  6. Step 6: Final answer
    x = 23,309.61

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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.