Home / 70,982.08-106,464.84-18,387.52

Finding the Fourth Proportional to 70,982.08, 106,464.84 and 18,387.52

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Solution

The fourth proportional to 70,982.08, 106,464.84 and 18,387.52 is: 27,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.08 : 106,464.84 = 18,387.52 : x
  2. Step 2: Convert to fraction form
    70,982.08/106,464.84 = 18,387.52/x
  3. Step 3: Cross multiply
    70,982.08x = 106,464.84 × 18,387.52
  4. Step 4: Simplify right side
    70,982.08x = 1,957,624,374.80
  5. Step 5: Solve for x
    x = 1,957,624,374.80/70,982.08
  6. Step 6: Final answer
    x = 27,579.14

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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.