Home / 38,364.24-57,469.80-30,480.12

Finding the Fourth Proportional to 38,364.24, 57,469.80 and 30,480.12

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Solution

The fourth proportional to 38,364.24, 57,469.80 and 30,480.12 is: 45,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.24 : 57,469.80 = 30,480.12 : x
  2. Step 2: Convert to fraction form
    38,364.24/57,469.80 = 30,480.12/x
  3. Step 3: Cross multiply
    38,364.24x = 57,469.80 × 30,480.12
  4. Step 4: Simplify right side
    38,364.24x = 1,751,686,400.38
  5. Step 5: Solve for x
    x = 1,751,686,400.38/38,364.24
  6. Step 6: Final answer
    x = 45,659.35

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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.