Home / 54,288.90-81,429.30-22,690.80

Finding the Fourth Proportional to 54,288.90, 81,429.30 and 22,690.80

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Solution

The fourth proportional to 54,288.90, 81,429.30 and 22,690.80 is: 34,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.90 : 81,429.30 = 22,690.80 : x
  2. Step 2: Convert to fraction form
    54,288.90/81,429.30 = 22,690.80/x
  3. Step 3: Cross multiply
    54,288.90x = 81,429.30 × 22,690.80
  4. Step 4: Simplify right side
    54,288.90x = 1,847,695,960.44
  5. Step 5: Solve for x
    x = 1,847,695,960.44/54,288.90
  6. Step 6: Final answer
    x = 34,034.51

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1.5x scale

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.