Home / 29,929.56-41,302.64-16,500.78

Finding the Fourth Proportional to 29,929.56, 41,302.64 and 16,500.78

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Solution

The fourth proportional to 29,929.56, 41,302.64 and 16,500.78 is: 22,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.56 : 41,302.64 = 16,500.78 : x
  2. Step 2: Convert to fraction form
    29,929.56/41,302.64 = 16,500.78/x
  3. Step 3: Cross multiply
    29,929.56x = 41,302.64 × 16,500.78
  4. Step 4: Simplify right side
    29,929.56x = 681,525,776.06
  5. Step 5: Solve for x
    x = 681,525,776.06/29,929.56
  6. Step 6: Final answer
    x = 22,770.99

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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.