Home / 43,752.20-65,552.70-20,330.60

Finding the Fourth Proportional to 43,752.20, 65,552.70 and 20,330.60

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Solution

The fourth proportional to 43,752.20, 65,552.70 and 20,330.60 is: 30,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.20 : 65,552.70 = 20,330.60 : x
  2. Step 2: Convert to fraction form
    43,752.20/65,552.70 = 20,330.60/x
  3. Step 3: Cross multiply
    43,752.20x = 65,552.70 × 20,330.60
  4. Step 4: Simplify right side
    43,752.20x = 1,332,725,722.62
  5. Step 5: Solve for x
    x = 1,332,725,722.62/43,752.20
  6. Step 6: Final answer
    x = 30,460.77

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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.