Home / 40,513.20-60,769.53-21,802.04

Finding the Fourth Proportional to 40,513.20, 60,769.53 and 21,802.04

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Solution

The fourth proportional to 40,513.20, 60,769.53 and 21,802.04 is: 32,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.20 : 60,769.53 = 21,802.04 : x
  2. Step 2: Convert to fraction form
    40,513.20/60,769.53 = 21,802.04/x
  3. Step 3: Cross multiply
    40,513.20x = 60,769.53 × 21,802.04
  4. Step 4: Simplify right side
    40,513.20x = 1,324,899,723.84
  5. Step 5: Solve for x
    x = 1,324,899,723.84/40,513.20
  6. Step 6: Final answer
    x = 32,702.91

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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.