Home / 48,270.20-72,399.96-12,735.12

Finding the Fourth Proportional to 48,270.20, 72,399.96 and 12,735.12

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Solution

The fourth proportional to 48,270.20, 72,399.96 and 12,735.12 is: 19,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.20 : 72,399.96 = 12,735.12 : x
  2. Step 2: Convert to fraction form
    48,270.20/72,399.96 = 12,735.12/x
  3. Step 3: Cross multiply
    48,270.20x = 72,399.96 × 12,735.12
  4. Step 4: Simplify right side
    48,270.20x = 922,022,178.60
  5. Step 5: Solve for x
    x = 922,022,178.60/48,270.20
  6. Step 6: Final answer
    x = 19,101.27

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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.