Home / 49,443.90-74,144.25-14,382.78

Finding the Fourth Proportional to 49,443.90, 74,144.25 and 14,382.78

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Solution

The fourth proportional to 49,443.90, 74,144.25 and 14,382.78 is: 21,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.90 : 74,144.25 = 14,382.78 : x
  2. Step 2: Convert to fraction form
    49,443.90/74,144.25 = 14,382.78/x
  3. Step 3: Cross multiply
    49,443.90x = 74,144.25 × 14,382.78
  4. Step 4: Simplify right side
    49,443.90x = 1,066,400,436.02
  5. Step 5: Solve for x
    x = 1,066,400,436.02/49,443.90
  6. Step 6: Final answer
    x = 21,567.89

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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.