Home / 48,439.65-72,616.43-18,850.56

Finding the Fourth Proportional to 48,439.65, 72,616.43 and 18,850.56

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Solution

The fourth proportional to 48,439.65, 72,616.43 and 18,850.56 is: 28,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.65 : 72,616.43 = 18,850.56 : x
  2. Step 2: Convert to fraction form
    48,439.65/72,616.43 = 18,850.56/x
  3. Step 3: Cross multiply
    48,439.65x = 72,616.43 × 18,850.56
  4. Step 4: Simplify right side
    48,439.65x = 1,368,860,276.45
  5. Step 5: Solve for x
    x = 1,368,860,276.45/48,439.65
  6. Step 6: Final answer
    x = 28,259.09

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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.