Home / 30,160.96-41,620.29-16,548.71

Finding the Fourth Proportional to 30,160.96, 41,620.29 and 16,548.71

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Solution

The fourth proportional to 30,160.96, 41,620.29 and 16,548.71 is: 22,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.96 : 41,620.29 = 16,548.71 : x
  2. Step 2: Convert to fraction form
    30,160.96/41,620.29 = 16,548.71/x
  3. Step 3: Cross multiply
    30,160.96x = 41,620.29 × 16,548.71
  4. Step 4: Simplify right side
    30,160.96x = 688,762,057.30
  5. Step 5: Solve for x
    x = 688,762,057.30/30,160.96
  6. Step 6: Final answer
    x = 22,836.21

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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.