Home / 38,383.12-57,473.16-30,080.08

Finding the Fourth Proportional to 38,383.12, 57,473.16 and 30,080.08

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Solution

The fourth proportional to 38,383.12, 57,473.16 and 30,080.08 is: 45,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.12 : 57,473.16 = 30,080.08 : x
  2. Step 2: Convert to fraction form
    38,383.12/57,473.16 = 30,080.08/x
  3. Step 3: Cross multiply
    38,383.12x = 57,473.16 × 30,080.08
  4. Step 4: Simplify right side
    38,383.12x = 1,728,797,250.65
  5. Step 5: Solve for x
    x = 1,728,797,250.65/38,383.12
  6. Step 6: Final answer
    x = 45,040.56

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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.