Home / 54,265.10-81,288.30-30,864.20

Finding the Fourth Proportional to 54,265.10, 81,288.30 and 30,864.20

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Solution

The fourth proportional to 54,265.10, 81,288.30 and 30,864.20 is: 46,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.10 : 81,288.30 = 30,864.20 : x
  2. Step 2: Convert to fraction form
    54,265.10/81,288.30 = 30,864.20/x
  3. Step 3: Cross multiply
    54,265.10x = 81,288.30 × 30,864.20
  4. Step 4: Simplify right side
    54,265.10x = 2,508,898,348.86
  5. Step 5: Solve for x
    x = 2,508,898,348.86/54,265.10
  6. Step 6: Final answer
    x = 46,234.11

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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.