Home / 49,494.80-74,259.20-14,439.60

Finding the Fourth Proportional to 49,494.80, 74,259.20 and 14,439.60

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Solution

The fourth proportional to 49,494.80, 74,259.20 and 14,439.60 is: 21,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,494.80 : 74,259.20 = 14,439.60 : x
  2. Step 2: Convert to fraction form
    49,494.80/74,259.20 = 14,439.60/x
  3. Step 3: Cross multiply
    49,494.80x = 74,259.20 × 14,439.60
  4. Step 4: Simplify right side
    49,494.80x = 1,072,273,144.32
  5. Step 5: Solve for x
    x = 1,072,273,144.32/49,494.80
  6. Step 6: Final answer
    x = 21,664.36

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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.