Home / 29,580.21-40,820.82-16,151.76

Finding the Fourth Proportional to 29,580.21, 40,820.82 and 16,151.76

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Solution

The fourth proportional to 29,580.21, 40,820.82 and 16,151.76 is: 22,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.21 : 40,820.82 = 16,151.76 : x
  2. Step 2: Convert to fraction form
    29,580.21/40,820.82 = 16,151.76/x
  3. Step 3: Cross multiply
    29,580.21x = 40,820.82 × 16,151.76
  4. Step 4: Simplify right side
    29,580.21x = 659,328,006.88
  5. Step 5: Solve for x
    x = 659,328,006.88/29,580.21
  6. Step 6: Final answer
    x = 22,289.50

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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.