Home / 41,161.28-56,720.28-28,564.16

Finding the Fourth Proportional to 41,161.28, 56,720.28 and 28,564.16

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Solution

The fourth proportional to 41,161.28, 56,720.28 and 28,564.16 is: 39,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,161.28 : 56,720.28 = 28,564.16 : x
  2. Step 2: Convert to fraction form
    41,161.28/56,720.28 = 28,564.16/x
  3. Step 3: Cross multiply
    41,161.28x = 56,720.28 × 28,564.16
  4. Step 4: Simplify right side
    41,161.28x = 1,620,167,153.16
  5. Step 5: Solve for x
    x = 1,620,167,153.16/41,161.28
  6. Step 6: Final answer
    x = 39,361.44

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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.