Home / 57,727.05-86,595.50-20,283.87

Finding the Fourth Proportional to 57,727.05, 86,595.50 and 20,283.87

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Solution

The fourth proportional to 57,727.05, 86,595.50 and 20,283.87 is: 30,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,727.05 : 86,595.50 = 20,283.87 : x
  2. Step 2: Convert to fraction form
    57,727.05/86,595.50 = 20,283.87/x
  3. Step 3: Cross multiply
    57,727.05x = 86,595.50 × 20,283.87
  4. Step 4: Simplify right side
    57,727.05x = 1,756,491,864.59
  5. Step 5: Solve for x
    x = 1,756,491,864.59/57,727.05
  6. Step 6: Final answer
    x = 30,427.54

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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.