Home / 57,717.87-86,544.41-20,267.52

Finding the Fourth Proportional to 57,717.87, 86,544.41 and 20,267.52

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Solution

The fourth proportional to 57,717.87, 86,544.41 and 20,267.52 is: 30,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.87 : 86,544.41 = 20,267.52 : x
  2. Step 2: Convert to fraction form
    57,717.87/86,544.41 = 20,267.52/x
  3. Step 3: Cross multiply
    57,717.87x = 86,544.41 × 20,267.52
  4. Step 4: Simplify right side
    57,717.87x = 1,754,040,459.23
  5. Step 5: Solve for x
    x = 1,754,040,459.23/57,717.87
  6. Step 6: Final answer
    x = 30,389.90

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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.