Home / 43,190.81-64,786.20-16,877.10

Finding the Fourth Proportional to 43,190.81, 64,786.20 and 16,877.10

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Solution

The fourth proportional to 43,190.81, 64,786.20 and 16,877.10 is: 25,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.81 : 64,786.20 = 16,877.10 : x
  2. Step 2: Convert to fraction form
    43,190.81/64,786.20 = 16,877.10/x
  3. Step 3: Cross multiply
    43,190.81x = 64,786.20 × 16,877.10
  4. Step 4: Simplify right side
    43,190.81x = 1,093,403,176.02
  5. Step 5: Solve for x
    x = 1,093,403,176.02/43,190.81
  6. Step 6: Final answer
    x = 25,315.64

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1.5x scale

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.