Home / 49,956.20-68,943.93-28,742.30

Finding the Fourth Proportional to 49,956.20, 68,943.93 and 28,742.30

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Solution

The fourth proportional to 49,956.20, 68,943.93 and 28,742.30 is: 39,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.20 : 68,943.93 = 28,742.30 : x
  2. Step 2: Convert to fraction form
    49,956.20/68,943.93 = 28,742.30/x
  3. Step 3: Cross multiply
    49,956.20x = 68,943.93 × 28,742.30
  4. Step 4: Simplify right side
    49,956.20x = 1,981,607,119.24
  5. Step 5: Solve for x
    x = 1,981,607,119.24/49,956.20
  6. Step 6: Final answer
    x = 39,666.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.