Home / 55,993.57-77,271.13-30,843.07

Finding the Fourth Proportional to 55,993.57, 77,271.13 and 30,843.07

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Solution

The fourth proportional to 55,993.57, 77,271.13 and 30,843.07 is: 42,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993.57 : 77,271.13 = 30,843.07 : x
  2. Step 2: Convert to fraction form
    55,993.57/77,271.13 = 30,843.07/x
  3. Step 3: Cross multiply
    55,993.57x = 77,271.13 × 30,843.07
  4. Step 4: Simplify right side
    55,993.57x = 2,383,278,934.27
  5. Step 5: Solve for x
    x = 2,383,278,934.27/55,993.57
  6. Step 6: Final answer
    x = 42,563.44

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1.5x scale

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.