Home / 48,372.28-72,544.68-18,783.80

Finding the Fourth Proportional to 48,372.28, 72,544.68 and 18,783.80

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Solution

The fourth proportional to 48,372.28, 72,544.68 and 18,783.80 is: 28,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.28 : 72,544.68 = 18,783.80 : x
  2. Step 2: Convert to fraction form
    48,372.28/72,544.68 = 18,783.80/x
  3. Step 3: Cross multiply
    48,372.28x = 72,544.68 × 18,783.80
  4. Step 4: Simplify right side
    48,372.28x = 1,362,664,760.18
  5. Step 5: Solve for x
    x = 1,362,664,760.18/48,372.28
  6. Step 6: Final answer
    x = 28,170.36

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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.