Home / 29,204.72-40,302.53-15,775.97

Finding the Fourth Proportional to 29,204.72, 40,302.53 and 15,775.97

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Solution

The fourth proportional to 29,204.72, 40,302.53 and 15,775.97 is: 21,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.72 : 40,302.53 = 15,775.97 : x
  2. Step 2: Convert to fraction form
    29,204.72/40,302.53 = 15,775.97/x
  3. Step 3: Cross multiply
    29,204.72x = 40,302.53 × 15,775.97
  4. Step 4: Simplify right side
    29,204.72x = 635,811,282.97
  5. Step 5: Solve for x
    x = 635,811,282.97/29,204.72
  6. Step 6: Final answer
    x = 21,770.84

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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.