Home / 48,965.92-73,419.68-19,388

Finding the Fourth Proportional to 48,965.92, 73,419.68 and 19,388

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Solution

The fourth proportional to 48,965.92, 73,419.68 and 19,388 is: 29,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,965.92 : 73,419.68 = 19,388 : x
  2. Step 2: Convert to fraction form
    48,965.92/73,419.68 = 19,388/x
  3. Step 3: Cross multiply
    48,965.92x = 73,419.68 × 19,388
  4. Step 4: Simplify right side
    48,965.92x = 1,423,460,755.84
  5. Step 5: Solve for x
    x = 1,423,460,755.84/48,965.92
  6. Step 6: Final answer
    x = 29,070.44

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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.