Home / 74,518.57-111,778.67-21,929.05

Finding the Fourth Proportional to 74,518.57, 111,778.67 and 21,929.05

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Solution

The fourth proportional to 74,518.57, 111,778.67 and 21,929.05 is: 32,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.57 : 111,778.67 = 21,929.05 : x
  2. Step 2: Convert to fraction form
    74,518.57/111,778.67 = 21,929.05/x
  3. Step 3: Cross multiply
    74,518.57x = 111,778.67 × 21,929.05
  4. Step 4: Simplify right side
    74,518.57x = 2,451,200,043.36
  5. Step 5: Solve for x
    x = 2,451,200,043.36/74,518.57
  6. Step 6: Final answer
    x = 32,893.81

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1.5x scale

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.