Home / 43,727.20-65,590.80-16,021.60

Finding the Fourth Proportional to 43,727.20, 65,590.80 and 16,021.60

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Solution

The fourth proportional to 43,727.20, 65,590.80 and 16,021.60 is: 24,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,727.20 : 65,590.80 = 16,021.60 : x
  2. Step 2: Convert to fraction form
    43,727.20/65,590.80 = 16,021.60/x
  3. Step 3: Cross multiply
    43,727.20x = 65,590.80 × 16,021.60
  4. Step 4: Simplify right side
    43,727.20x = 1,050,869,561.28
  5. Step 5: Solve for x
    x = 1,050,869,561.28/43,727.20
  6. Step 6: Final answer
    x = 24,032.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.