Home / 60,786.30-91,196.53-20,814.32

Finding the Fourth Proportional to 60,786.30, 91,196.53 and 20,814.32

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Solution

The fourth proportional to 60,786.30, 91,196.53 and 20,814.32 is: 31,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,786.30 : 91,196.53 = 20,814.32 : x
  2. Step 2: Convert to fraction form
    60,786.30/91,196.53 = 20,814.32/x
  3. Step 3: Cross multiply
    60,786.30x = 91,196.53 × 20,814.32
  4. Step 4: Simplify right side
    60,786.30x = 1,898,193,538.37
  5. Step 5: Solve for x
    x = 1,898,193,538.37/60,786.30
  6. Step 6: Final answer
    x = 31,227.33

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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.