Home / 52,908.96-79,362.56-21,318.26

Finding the Fourth Proportional to 52,908.96, 79,362.56 and 21,318.26

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Solution

The fourth proportional to 52,908.96, 79,362.56 and 21,318.26 is: 31,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.96 : 79,362.56 = 21,318.26 : x
  2. Step 2: Convert to fraction form
    52,908.96/79,362.56 = 21,318.26/x
  3. Step 3: Cross multiply
    52,908.96x = 79,362.56 × 21,318.26
  4. Step 4: Simplify right side
    52,908.96x = 1,691,871,184.94
  5. Step 5: Solve for x
    x = 1,691,871,184.94/52,908.96
  6. Step 6: Final answer
    x = 31,977.03

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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.