Home / 53,653.12-80,532.68-40,279.62

Finding the Fourth Proportional to 53,653.12, 80,532.68 and 40,279.62

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Solution

The fourth proportional to 53,653.12, 80,532.68 and 40,279.62 is: 60,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.12 : 80,532.68 = 40,279.62 : x
  2. Step 2: Convert to fraction form
    53,653.12/80,532.68 = 40,279.62/x
  3. Step 3: Cross multiply
    53,653.12x = 80,532.68 × 40,279.62
  4. Step 4: Simplify right side
    53,653.12x = 3,243,825,747.98
  5. Step 5: Solve for x
    x = 3,243,825,747.98/53,653.12
  6. Step 6: Final answer
    x = 60,459.22

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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.