Home / 29,565.15-40,800.05-16,136.72

Finding the Fourth Proportional to 29,565.15, 40,800.05 and 16,136.72

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Solution

The fourth proportional to 29,565.15, 40,800.05 and 16,136.72 is: 22,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,565.15 : 40,800.05 = 16,136.72 : x
  2. Step 2: Convert to fraction form
    29,565.15/40,800.05 = 16,136.72/x
  3. Step 3: Cross multiply
    29,565.15x = 40,800.05 × 16,136.72
  4. Step 4: Simplify right side
    29,565.15x = 658,379,002.43
  5. Step 5: Solve for x
    x = 658,379,002.43/29,565.15
  6. Step 6: Final answer
    x = 22,268.75

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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.