Home / 29,350.36-40,499.20-16,772.68

Finding the Fourth Proportional to 29,350.36, 40,499.20 and 16,772.68

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Solution

The fourth proportional to 29,350.36, 40,499.20 and 16,772.68 is: 23,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,350.36 : 40,499.20 = 16,772.68 : x
  2. Step 2: Convert to fraction form
    29,350.36/40,499.20 = 16,772.68/x
  3. Step 3: Cross multiply
    29,350.36x = 40,499.20 × 16,772.68
  4. Step 4: Simplify right side
    29,350.36x = 679,280,121.86
  5. Step 5: Solve for x
    x = 679,280,121.86/29,350.36
  6. Step 6: Final answer
    x = 23,143.84

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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.