Home / 30,132.19-41,581.21-16,519.94

Finding the Fourth Proportional to 30,132.19, 41,581.21 and 16,519.94

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Solution

The fourth proportional to 30,132.19, 41,581.21 and 16,519.94 is: 22,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.19 : 41,581.21 = 16,519.94 : x
  2. Step 2: Convert to fraction form
    30,132.19/41,581.21 = 16,519.94/x
  3. Step 3: Cross multiply
    30,132.19x = 41,581.21 × 16,519.94
  4. Step 4: Simplify right side
    30,132.19x = 686,919,094.33
  5. Step 5: Solve for x
    x = 686,919,094.33/30,132.19
  6. Step 6: Final answer
    x = 22,796.85

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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.