Home / 30,161.60-41,621.12-16,732.58

Finding the Fourth Proportional to 30,161.60, 41,621.12 and 16,732.58

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Solution

The fourth proportional to 30,161.60, 41,621.12 and 16,732.58 is: 23,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.60 : 41,621.12 = 16,732.58 : x
  2. Step 2: Convert to fraction form
    30,161.60/41,621.12 = 16,732.58/x
  3. Step 3: Cross multiply
    30,161.60x = 41,621.12 × 16,732.58
  4. Step 4: Simplify right side
    30,161.60x = 696,428,553.82
  5. Step 5: Solve for x
    x = 696,428,553.82/30,161.60
  6. Step 6: Final answer
    x = 23,089.91

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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.