Home / 57,950.26-86,932.28-20,502.61

Finding the Fourth Proportional to 57,950.26, 86,932.28 and 20,502.61

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Solution

The fourth proportional to 57,950.26, 86,932.28 and 20,502.61 is: 30,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.26 : 86,932.28 = 20,502.61 : x
  2. Step 2: Convert to fraction form
    57,950.26/86,932.28 = 20,502.61/x
  3. Step 3: Cross multiply
    57,950.26x = 86,932.28 × 20,502.61
  4. Step 4: Simplify right side
    57,950.26x = 1,782,338,633.25
  5. Step 5: Solve for x
    x = 1,782,338,633.25/57,950.26
  6. Step 6: Final answer
    x = 30,756.35

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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.