Home / 49,433.09-74,162.28-14,372.75

Finding the Fourth Proportional to 49,433.09, 74,162.28 and 14,372.75

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Solution

The fourth proportional to 49,433.09, 74,162.28 and 14,372.75 is: 21,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,433.09 : 74,162.28 = 14,372.75 : x
  2. Step 2: Convert to fraction form
    49,433.09/74,162.28 = 14,372.75/x
  3. Step 3: Cross multiply
    49,433.09x = 74,162.28 × 14,372.75
  4. Step 4: Simplify right side
    49,433.09x = 1,065,915,539.06
  5. Step 5: Solve for x
    x = 1,065,915,539.06/49,433.09
  6. Step 6: Final answer
    x = 21,562.80

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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.