Home / 53,839.35-80,792.73-20,562.30

Finding the Fourth Proportional to 53,839.35, 80,792.73 and 20,562.30

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Solution

The fourth proportional to 53,839.35, 80,792.73 and 20,562.30 is: 30,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.35 : 80,792.73 = 20,562.30 : x
  2. Step 2: Convert to fraction form
    53,839.35/80,792.73 = 20,562.30/x
  3. Step 3: Cross multiply
    53,839.35x = 80,792.73 × 20,562.30
  4. Step 4: Simplify right side
    53,839.35x = 1,661,284,352.08
  5. Step 5: Solve for x
    x = 1,661,284,352.08/53,839.35
  6. Step 6: Final answer
    x = 30,856.32

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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.