Home / 40,243.20-60,321.60-15,273.60

Finding the Fourth Proportional to 40,243.20, 60,321.60 and 15,273.60

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Solution

The fourth proportional to 40,243.20, 60,321.60 and 15,273.60 is: 22,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.20 : 60,321.60 = 15,273.60 : x
  2. Step 2: Convert to fraction form
    40,243.20/60,321.60 = 15,273.60/x
  3. Step 3: Cross multiply
    40,243.20x = 60,321.60 × 15,273.60
  4. Step 4: Simplify right side
    40,243.20x = 921,327,989.76
  5. Step 5: Solve for x
    x = 921,327,989.76/40,243.20
  6. Step 6: Final answer
    x = 22,894.00

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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.