Home / 45,446.43-68,178.86-19,151.16

Finding the Fourth Proportional to 45,446.43, 68,178.86 and 19,151.16

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Solution

The fourth proportional to 45,446.43, 68,178.86 and 19,151.16 is: 28,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.43 : 68,178.86 = 19,151.16 : x
  2. Step 2: Convert to fraction form
    45,446.43/68,178.86 = 19,151.16/x
  3. Step 3: Cross multiply
    45,446.43x = 68,178.86 × 19,151.16
  4. Step 4: Simplify right side
    45,446.43x = 1,305,704,256.48
  5. Step 5: Solve for x
    x = 1,305,704,256.48/45,446.43
  6. Step 6: Final answer
    x = 28,730.62

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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.