Home / 48,201.40-72,334.68-21,908.80

Finding the Fourth Proportional to 48,201.40, 72,334.68 and 21,908.80

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Solution

The fourth proportional to 48,201.40, 72,334.68 and 21,908.80 is: 32,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.40 : 72,334.68 = 21,908.80 : x
  2. Step 2: Convert to fraction form
    48,201.40/72,334.68 = 21,908.80/x
  3. Step 3: Cross multiply
    48,201.40x = 72,334.68 × 21,908.80
  4. Step 4: Simplify right side
    48,201.40x = 1,584,766,037.18
  5. Step 5: Solve for x
    x = 1,584,766,037.18/48,201.40
  6. Step 6: Final answer
    x = 32,878.01

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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.