Home / 55,620.54-76,758.30-30,470.04

Finding the Fourth Proportional to 55,620.54, 76,758.30 and 30,470.04

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Solution

The fourth proportional to 55,620.54, 76,758.30 and 30,470.04 is: 42,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.54 : 76,758.30 = 30,470.04 : x
  2. Step 2: Convert to fraction form
    55,620.54/76,758.30 = 30,470.04/x
  3. Step 3: Cross multiply
    55,620.54x = 76,758.30 × 30,470.04
  4. Step 4: Simplify right side
    55,620.54x = 2,338,828,471.33
  5. Step 5: Solve for x
    x = 2,338,828,471.33/55,620.54
  6. Step 6: Final answer
    x = 42,049.73

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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.