Home / 29,835.09-41,171.32-16,405.55

Finding the Fourth Proportional to 29,835.09, 41,171.32 and 16,405.55

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Solution

The fourth proportional to 29,835.09, 41,171.32 and 16,405.55 is: 22,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,835.09 : 41,171.32 = 16,405.55 : x
  2. Step 2: Convert to fraction form
    29,835.09/41,171.32 = 16,405.55/x
  3. Step 3: Cross multiply
    29,835.09x = 41,171.32 × 16,405.55
  4. Step 4: Simplify right side
    29,835.09x = 675,437,901.96
  5. Step 5: Solve for x
    x = 675,437,901.96/29,835.09
  6. Step 6: Final answer
    x = 22,639.04

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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.