Home / 55,949.04-83,935.92-18,520.80

Finding the Fourth Proportional to 55,949.04, 83,935.92 and 18,520.80

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Solution

The fourth proportional to 55,949.04, 83,935.92 and 18,520.80 is: 27,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.04 : 83,935.92 = 18,520.80 : x
  2. Step 2: Convert to fraction form
    55,949.04/83,935.92 = 18,520.80/x
  3. Step 3: Cross multiply
    55,949.04x = 83,935.92 × 18,520.80
  4. Step 4: Simplify right side
    55,949.04x = 1,554,560,387.14
  5. Step 5: Solve for x
    x = 1,554,560,387.14/55,949.04
  6. Step 6: Final answer
    x = 27,785.29

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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.