Home / 49,281.60-73,922.40-18,112.80

Finding the Fourth Proportional to 49,281.60, 73,922.40 and 18,112.80

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Solution

The fourth proportional to 49,281.60, 73,922.40 and 18,112.80 is: 27,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,281.60 : 73,922.40 = 18,112.80 : x
  2. Step 2: Convert to fraction form
    49,281.60/73,922.40 = 18,112.80/x
  3. Step 3: Cross multiply
    49,281.60x = 73,922.40 × 18,112.80
  4. Step 4: Simplify right side
    49,281.60x = 1,338,941,646.72
  5. Step 5: Solve for x
    x = 1,338,941,646.72/49,281.60
  6. Step 6: Final answer
    x = 27,169.20

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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.