Home / 37,879.12-52,270.81-20,882.49

Finding the Fourth Proportional to 37,879.12, 52,270.81 and 20,882.49

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Solution

The fourth proportional to 37,879.12, 52,270.81 and 20,882.49 is: 28,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.12 : 52,270.81 = 20,882.49 : x
  2. Step 2: Convert to fraction form
    37,879.12/52,270.81 = 20,882.49/x
  3. Step 3: Cross multiply
    37,879.12x = 52,270.81 × 20,882.49
  4. Step 4: Simplify right side
    37,879.12x = 1,091,544,667.12
  5. Step 5: Solve for x
    x = 1,091,544,667.12/37,879.12
  6. Step 6: Final answer
    x = 28,816.53

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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.