Home / 66,358.08-91,575.26-36,144

Finding the Fourth Proportional to 66,358.08, 91,575.26 and 36,144

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Solution

The fourth proportional to 66,358.08, 91,575.26 and 36,144 is: 49,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,358.08 : 91,575.26 = 36,144 : x
  2. Step 2: Convert to fraction form
    66,358.08/91,575.26 = 36,144/x
  3. Step 3: Cross multiply
    66,358.08x = 91,575.26 × 36,144
  4. Step 4: Simplify right side
    66,358.08x = 3,309,896,016.72
  5. Step 5: Solve for x
    x = 3,309,896,016.72/66,358.08
  6. Step 6: Final answer
    x = 49,879.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.