Home / 45,011.76-67,532.22-21,640.02

Finding the Fourth Proportional to 45,011.76, 67,532.22 and 21,640.02

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Solution

The fourth proportional to 45,011.76, 67,532.22 and 21,640.02 is: 32,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.76 : 67,532.22 = 21,640.02 : x
  2. Step 2: Convert to fraction form
    45,011.76/67,532.22 = 21,640.02/x
  3. Step 3: Cross multiply
    45,011.76x = 67,532.22 × 21,640.02
  4. Step 4: Simplify right side
    45,011.76x = 1,461,398,591.44
  5. Step 5: Solve for x
    x = 1,461,398,591.44/45,011.76
  6. Step 6: Final answer
    x = 32,467.04

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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.