Home / 50,387.94-75,579.48-12,949.20

Finding the Fourth Proportional to 50,387.94, 75,579.48 and 12,949.20

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Solution

The fourth proportional to 50,387.94, 75,579.48 and 12,949.20 is: 19,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387.94 : 75,579.48 = 12,949.20 : x
  2. Step 2: Convert to fraction form
    50,387.94/75,579.48 = 12,949.20/x
  3. Step 3: Cross multiply
    50,387.94x = 75,579.48 × 12,949.20
  4. Step 4: Simplify right side
    50,387.94x = 978,693,802.42
  5. Step 5: Solve for x
    x = 978,693,802.42/50,387.94
  6. Step 6: Final answer
    x = 19,423.18

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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.