Home / 30,159.68-41,620.31-16,732.98

Finding the Fourth Proportional to 30,159.68, 41,620.31 and 16,732.98

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Solution

The fourth proportional to 30,159.68, 41,620.31 and 16,732.98 is: 23,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.68 : 41,620.31 = 16,732.98 : x
  2. Step 2: Convert to fraction form
    30,159.68/41,620.31 = 16,732.98/x
  3. Step 3: Cross multiply
    30,159.68x = 41,620.31 × 16,732.98
  4. Step 4: Simplify right side
    30,159.68x = 696,431,814.82
  5. Step 5: Solve for x
    x = 696,431,814.82/30,159.68
  6. Step 6: Final answer
    x = 23,091.49

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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.