Home / 32,576.45-44,960.33-20,640.90

Finding the Fourth Proportional to 32,576.45, 44,960.33 and 20,640.90

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Solution

The fourth proportional to 32,576.45, 44,960.33 and 20,640.90 is: 28,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.45 : 44,960.33 = 20,640.90 : x
  2. Step 2: Convert to fraction form
    32,576.45/44,960.33 = 20,640.90/x
  3. Step 3: Cross multiply
    32,576.45x = 44,960.33 × 20,640.90
  4. Step 4: Simplify right side
    32,576.45x = 928,021,572.29
  5. Step 5: Solve for x
    x = 928,021,572.29/32,576.45
  6. Step 6: Final answer
    x = 28,487.50

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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.