Home / 32,576.36-44,960.21-20,640.81

Finding the Fourth Proportional to 32,576.36, 44,960.21 and 20,640.81

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Solution

The fourth proportional to 32,576.36, 44,960.21 and 20,640.81 is: 28,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.36 : 44,960.21 = 20,640.81 : x
  2. Step 2: Convert to fraction form
    32,576.36/44,960.21 = 20,640.81/x
  3. Step 3: Cross multiply
    32,576.36x = 44,960.21 × 20,640.81
  4. Step 4: Simplify right side
    32,576.36x = 928,015,048.97
  5. Step 5: Solve for x
    x = 928,015,048.97/32,576.36
  6. Step 6: Final answer
    x = 28,487.38

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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.