Home / 45,631.68-62,954.40-29,729.76

Finding the Fourth Proportional to 45,631.68, 62,954.40 and 29,729.76

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Solution

The fourth proportional to 45,631.68, 62,954.40 and 29,729.76 is: 41,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.68 : 62,954.40 = 29,729.76 : x
  2. Step 2: Convert to fraction form
    45,631.68/62,954.40 = 29,729.76/x
  3. Step 3: Cross multiply
    45,631.68x = 62,954.40 × 29,729.76
  4. Step 4: Simplify right side
    45,631.68x = 1,871,619,202.94
  5. Step 5: Solve for x
    x = 1,871,619,202.94/45,631.68
  6. Step 6: Final answer
    x = 41,015.79

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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.