Home / 49,129.20-73,692-14,068.80

Finding the Fourth Proportional to 49,129.20, 73,692 and 14,068.80

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Solution

The fourth proportional to 49,129.20, 73,692 and 14,068.80 is: 21,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.20 : 73,692 = 14,068.80 : x
  2. Step 2: Convert to fraction form
    49,129.20/73,692 = 14,068.80/x
  3. Step 3: Cross multiply
    49,129.20x = 73,692 × 14,068.80
  4. Step 4: Simplify right side
    49,129.20x = 1,036,758,009.60
  5. Step 5: Solve for x
    x = 1,036,758,009.60/49,129.20
  6. Step 6: Final answer
    x = 21,102.68

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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.