Home / 52,035.88-78,057.46-20,871.12

Finding the Fourth Proportional to 52,035.88, 78,057.46 and 20,871.12

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Solution

The fourth proportional to 52,035.88, 78,057.46 and 20,871.12 is: 31,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,035.88 : 78,057.46 = 20,871.12 : x
  2. Step 2: Convert to fraction form
    52,035.88/78,057.46 = 20,871.12/x
  3. Step 3: Cross multiply
    52,035.88x = 78,057.46 × 20,871.12
  4. Step 4: Simplify right side
    52,035.88x = 1,629,146,614.56
  5. Step 5: Solve for x
    x = 1,629,146,614.56/52,035.88
  6. Step 6: Final answer
    x = 31,308.14

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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.