Home / 30,320.96-41,841.87-16,891.52

Finding the Fourth Proportional to 30,320.96, 41,841.87 and 16,891.52

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Solution

The fourth proportional to 30,320.96, 41,841.87 and 16,891.52 is: 23,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.96 : 41,841.87 = 16,891.52 : x
  2. Step 2: Convert to fraction form
    30,320.96/41,841.87 = 16,891.52/x
  3. Step 3: Cross multiply
    30,320.96x = 41,841.87 × 16,891.52
  4. Step 4: Simplify right side
    30,320.96x = 706,772,783.94
  5. Step 5: Solve for x
    x = 706,772,783.94/30,320.96
  6. Step 6: Final answer
    x = 23,309.71

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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.