Home / 29,204.79-40,302.65-15,776.04

Finding the Fourth Proportional to 29,204.79, 40,302.65 and 15,776.04

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Solution

The fourth proportional to 29,204.79, 40,302.65 and 15,776.04 is: 21,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.79 : 40,302.65 = 15,776.04 : x
  2. Step 2: Convert to fraction form
    29,204.79/40,302.65 = 15,776.04/x
  3. Step 3: Cross multiply
    29,204.79x = 40,302.65 × 15,776.04
  4. Step 4: Simplify right side
    29,204.79x = 635,816,350.73
  5. Step 5: Solve for x
    x = 635,816,350.73/29,204.79
  6. Step 6: Final answer
    x = 21,770.96

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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.