Home / 29,115.03-40,178.54-16,539.78

Finding the Fourth Proportional to 29,115.03, 40,178.54 and 16,539.78

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Solution

The fourth proportional to 29,115.03, 40,178.54 and 16,539.78 is: 22,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.03 : 40,178.54 = 16,539.78 : x
  2. Step 2: Convert to fraction form
    29,115.03/40,178.54 = 16,539.78/x
  3. Step 3: Cross multiply
    29,115.03x = 40,178.54 × 16,539.78
  4. Step 4: Simplify right side
    29,115.03x = 664,544,212.32
  5. Step 5: Solve for x
    x = 664,544,212.32/29,115.03
  6. Step 6: Final answer
    x = 22,824.78

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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.