Home / 53,972.76-80,986.68-36,405.75

Finding the Fourth Proportional to 53,972.76, 80,986.68 and 36,405.75

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Solution

The fourth proportional to 53,972.76, 80,986.68 and 36,405.75 is: 54,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972.76 : 80,986.68 = 36,405.75 : x
  2. Step 2: Convert to fraction form
    53,972.76/80,986.68 = 36,405.75/x
  3. Step 3: Cross multiply
    53,972.76x = 80,986.68 × 36,405.75
  4. Step 4: Simplify right side
    53,972.76x = 2,948,380,825.41
  5. Step 5: Solve for x
    x = 2,948,380,825.41/53,972.76
  6. Step 6: Final answer
    x = 54,627.20

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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.