Home / 30,160.48-41,621.51-16,731.73

Finding the Fourth Proportional to 30,160.48, 41,621.51 and 16,731.73

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Solution

The fourth proportional to 30,160.48, 41,621.51 and 16,731.73 is: 23,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.48 : 41,621.51 = 16,731.73 : x
  2. Step 2: Convert to fraction form
    30,160.48/41,621.51 = 16,731.73/x
  3. Step 3: Cross multiply
    30,160.48x = 41,621.51 × 16,731.73
  4. Step 4: Simplify right side
    30,160.48x = 696,400,115.01
  5. Step 5: Solve for x
    x = 696,400,115.01/30,160.48
  6. Step 6: Final answer
    x = 23,089.82

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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.